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libpsem | | Description: | POSIX semaphore implementation | | Download: | libpsem.lha (TIPS: Use the right click menu if your browser takes you back here all the time) | | Size: | 176kb | | Version: | 20221203 | | Date: | 04 Dec 2022 | | Author: | Fredrik Wikström | | Submitter: | Fredrik Wikström | | Email: | fredrik/a500 org | | Category: | development/library/misc | | Replaces: | development/library/misc/libpsem.lha | | License: | BSD | | Distribute: | yes | | Min OS Version: | 4.0 | | FileID: | 12326 | | | | | Comments: | 0 | | Snapshots: | 0 | | Videos: | 0 | | Downloads: | 24 (Current version) | | 88 (Accumulated) | | Votes: | 5 (0/0) (30 days/7 days) | |
      A simple AmigaOS native implementation of POSIX semaphores that can easily be
linked into any program that needs them (just add -lpsem to LIBS).
So far the following functions are supported by the library:
- sem_init()
- sem_destroy()
- sem_trywait()
- sem_wait()
- sem_timedwait()
- sem_post()
- sem_getvalue()
Installation is just a matter of opening a CLI and doing:
Copy SDK/#? ALL SDK:
The complete source code is also included in the archive under a 2-clause BSD
license.
Changes since the last release:
- Added missing cleanup code for the timer request on success in
sem_timedwait().
- Rewrote the wait loops and made the code more safe.
- sem_getvalue() now returns a negative value if there are programs waiting on
the semaphore.
- Added a clib2 compile of the static library.
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