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Make important improvements

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- Fix preadv() and pwritev() for old distros
- Introduce _npassert() and _unassert() macros
- Prove that file locks work properly on Windows
- Support fcntl(F_DUPFD_CLOEXEC) on more systems
This commit is contained in:
Justine Tunney 2022-09-14 21:29:50 -07:00
parent 1ad2f530f9
commit 3f49889841
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GPG key ID: BE714B4575D6E328
130 changed files with 1225 additions and 431 deletions
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3
libc/stdio/ftrylockfile.c
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@ -16,6 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/stdio/lock.internal.h"
#include "libc/stdio/stdio.h"
/**
@ -24,5 +25,5 @@
* @return 0 on success, or non-zero if another thread owns the lock
*/
int(ftrylockfile)(FILE *f) {
return pthread_mutex_trylock(&f->lock);
return pthread_mutex_trylock((pthread_mutex_t *)f->lock);
}