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Fix some issues

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This commit is contained in:
Justine Tunney 2023-10-09 20:18:48 -07:00
parent 211d5d902e
commit 9d372f48dd
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GPG key ID: BE714B4575D6E328
29 changed files with 373 additions and 63 deletions
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23
libc/calls/timespec_sleep.c
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@ -22,20 +22,31 @@
#include "libc/errno.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/clock.h"
#include "libc/thread/posixthread.internal.h"
/**
* Sleeps for specified delay.
*
* This function may be canceled except when using masked mode in which
* case cancelation is temporarily disabled, because there is no way to
* report the ECANCELED state.
*
* @return unslept time which may be non-zero if the call was interrupted
* @cancelationpoint
*/
struct timespec timespec_sleep(struct timespec delay) {
errno_t rc;
int cs = -1;
errno_t err;
struct timespec remain;
BLOCK_CANCELATION;
bzero(&remain, sizeof(remain));
if ((rc = clock_nanosleep(CLOCK_REALTIME, 0, &delay, &remain))) {
npassert(rc == EINTR);
remain = timespec_zero;
if (_pthread_self()->pt_flags & PT_MASKED) {
cs = _pthread_block_cancelation();
}
if ((err = clock_nanosleep(CLOCK_REALTIME, 0, &delay, &remain))) {
unassert(err == EINTR);
}
if (cs != -1) {
_pthread_allow_cancelation(cs);
}
ALLOW_CANCELATION;
return remain;
}