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Support process shared pthread_rwlock

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Cosmo now has a non-nsync implementation of POSIX read-write locks. It's
possible to call pthread_rwlockattr_setpshared in PTHREAD_PROCESS_SHARED
mode. Furthermore, if cosmo is built with PTHREAD_USE_NSYNC set to zero,
then Cosmo shouldn't use nsync at all. That's helpful if you want to not
link any Apache 2.0 licensed code.
This commit is contained in:
Justine Tunney 2024-12-13 02:50:19 -08:00
parent c22b413ac4
commit 2d43d400c6
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GPG key ID: BE714B4575D6E328
11 changed files with 179 additions and 35 deletions
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2
libc/thread/pthread_rwlockattr_getpshared.c
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@ -23,7 +23,7 @@
*
* @param pshared is set to one of the following
* - `PTHREAD_PROCESS_PRIVATE` (default)
* - `PTHREAD_PROCESS_SHARED` (unsupported)
* - `PTHREAD_PROCESS_SHARED`
* @return 0 on success, or error on failure
*/
errno_t pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *attr,