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AIX
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LINUX
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AIX ERRNO(s)
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LINUX ERRNO(s)
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Description
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sem_init
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sem_init
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EFAULT
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EINVAL
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Initializes the semaphore object.
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EINVAL
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ENOSYS
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ENFILE
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ENOMEM
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ENOSPC
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ENOTSUP
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sem_wait
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sem_wait
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EACCES
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Does not set
Errno
. Always returns 0.
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Suspends the calling thread until the semaphore pointed to by sem has nonzero count.
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EAGAIN
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(semwait
only)
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EFAULT
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EIDRM
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EINTR
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sem_trywait
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sem_trywait
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EINVAL
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EAGAIN
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ENOMEM
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ENOTSUP
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sem_post
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sem_post
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EACCES
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ERANGE
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Unlocks a semaphore.
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EFAULT
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EIDRM
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EINVAL
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ENOMEM
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ENOTSUP
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sem_getvalue
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sem_getvalue
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EACCES
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Does not set errno. Always returns 0.
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Gets the value of a semaphore.
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EFAULT
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EINVAL
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ENOMEM
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ENOTSUP
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sem_destroy
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sem_destroy
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EACCES
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EBUSY
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Destroys a semaphore object, freeing the resources it might hold.
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EFAULT
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EINVAL
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ENOTSUP
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sem_timedwait
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sem_timedwait
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EFAULT
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EENVAL
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Advanced real-time wait.
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EINVAL
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ETIMEDWAIT
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ETIMEDWAIT
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EDEADLK
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EDEADLK
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ENTR
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ENtr
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sem_unlink
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sem_unlink
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EACCES
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EACCES
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Removes a named semaphore.
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EFAULT
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ENAMETOLONG
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ENAMETOOLONG
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ENOENT
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ENOENT
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ENOTSUP
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sem_close
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sem_close
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EFAULT
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EINVAL
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Closes a named semaphore.
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EINVAL
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ENOMEM
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ENOTSUP
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sem_open
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sem_open
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EACCES
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EACCES
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Opens a named semaphore.
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EEXIST
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EEXIST
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EFAULT
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EINTR
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EINVAL
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EENVAL
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EMFILE
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EMFILE
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ENAMETOOLONG
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ENAMETOOLONG
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ENOMEM
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ENFILE
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ENOTSUP
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ENOENT
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ENOSPC
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ENOSPC
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AIX -> Linux
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AIX ERRNO(s)
|
Linux ERRNO(s)
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Description
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mq_close
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EBADF
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EBADF
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Closes a message queue.
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ENOMEM
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EBUSY
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ENOTSUP
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mq_open
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EACCES
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EACCES
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Opens a message queue.
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EEXIST
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EEXIST
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EFAULT
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EINTR
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EINVAL
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EINVAL
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ENOMEM
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EMFILE
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ENOSPC
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ENOSPC
,
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ENOTSUP
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ENOENT
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ENOENT
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ENFILE
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ENFILE
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ENAMETOOLONG
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ENAMETOOLONG
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mq_notify
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EBADF
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EBADF
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Notifies a process that a message is available.
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EBUSY
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EBUSY
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EFAULT
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ENOMEM
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ENOTSUP
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EINVAL
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mq_getattr
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EBADF
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EBADF
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Gets message queue attributes.
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EFAULT
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ENOMEM
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EINVAL
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ENOTSUP
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mq_unlink
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EACCES
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EACCES
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Removes a message queue.
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EFAULT
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ENOENT
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EINVAL
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ENAMETOOLONG
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ENAMETOOLONG
,
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ENOTSUP
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mq_send
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EAGAIN
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EAGAIN
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Sends a message to the message queue
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EFAULT
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EBADF
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EBADF
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EINTR
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EIDRM
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EINVAL
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EINTR
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EMSGSIZE
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EINVAL
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EMSGSIZE
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ENOMEM
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ENOTSUP
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mq_setattr
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EBADF
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EBADF
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Sets message queue attributes
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EFAULT
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EINVAL
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ENOMEM
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ENOTSUP
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mq_send
mq_timedsend
,
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EAGAIN
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EAGAIN
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Sends a message to a message queue (REALTIME)
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EBADF
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EBADF
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EFAULT
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EINTR
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EIDRM
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EINVAL
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EINTR
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EMSGSIZE
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EINVAL
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ETIMEDOUT
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EMSGSIZE
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ENOTSUP
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ETIMEDOUT
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mq_receive
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EAGAIN
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EAGAIN
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Receives a message from a message queue
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EBADF
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EBADF
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EFAULT
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EINVAL
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EIDRM
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EMSGSIZE
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EINTR
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EINTR
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EINVAL
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EINVAL
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EMSGSIZE
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ETIMEOUT
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ENOMEM
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ENOTSUP
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msgctl
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EACCES
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EACCES
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Provides message control operations
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EPERM
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EPERM
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EFAULT
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EDIRM
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EINVAL
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EFAULT
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EINVAL
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msgget
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EACCES
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ENOMEM
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Gets a message queue identifier.
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ENOENT
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EACCES
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EEXIST
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ENOENT
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ENOSPC
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EEXIST
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ENOSPC
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msgrcv
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E2BIG
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E2BIG
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Reads a message from a queue.
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EACCES
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EACCES
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ENOMSG
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ENOMSG
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EFAULT
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EFAULT
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EINTR
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EINTR
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EIDRM
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EIDRM
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EINVAL
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EINVAL
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API
|
Differences
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pthread_attr_getschedparam
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In AIX, the API takes two parameters:
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pthread_attr_setschedparm
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pthread_attr_t*
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struct sched_param*
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In Linux, the API takes three parameters:
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pthread_t
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int (policy)
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struct sched_param*
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pthread_attr_init
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Creates a new thread attribute with default values with the following exceptions.
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AIX:
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Contention scope = PTHREAD_SCOPE_PROCESS
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Sched param.sched_prio = 1
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Linux:
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Contention scope = PTHREAD_SCOPE_SYSTEM
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Sched param.sched_priority = 0
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pthread_mutex_lock
pthread_mutex_trylock
pthread_mutex_unlockj
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Lock mechanism between AIX and Linux is not compatible. The conditions for deadlocking differ, and the attribute values
differ
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AIX: Possible attribute values are as
follows
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PTHREAD_MUTEX_NORMAL
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PTHREAD_MUTEX_ERRORCHECKING
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PTHREAD_MUTEX_RECURSIVE
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PTHREAD_MUTEX_DEFAULT
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Linux: Possible attribute values are as follows:
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#ifdef __USE_GNU
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PTHREAD_MUTEX_INITIALIZER
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PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
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PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP
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#ifdef __USE_UNIX98
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PTHREAD_MUTEX_NORMAL
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PTHREAD_MUTEX_ERRORCHECKING
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PTHREAD_MUTEX_RECURSIVE
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PTHREAD_MUTEX_DEFAULT
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pthread_mutexattr_gettype
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Gets or sets a mutex type to the following values.
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pthread_mutexattr_settype
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AIX: Possible attribute values are as follows:
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PTHREAD_MUTEX_NORMAL
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PTHREAD_MUTEX_ERRORCHECKING
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PTHREAD_MUTEX_RECURSIVE
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PTHREAD_MUTEX_DEFAULT
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Linux: Possible attribute values are as follows:
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#ifdef __USE_GNU
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PTHREAD_MUTEX_INITIALIZER
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PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
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PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP
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#ifdef __USE_UNIX98
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PTHREAD_MUTEX_NORMAL
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PTHREAD_MUTEX_ERRORCHECKING
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PTHREAD_MUTEX_RECURSIVE
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PTHREAD_MUTEX_DEFAULT
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