mirrors/cosmopolitan
1
0
Fork 0
mirror of https://github.com/jart/cosmopolitan.git synced 2025-07-02 17:28:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Allow user to override pthread mutex and cond

Browse source
This commit is contained in:
Justine Tunney 2024-12-23 21:57:52 -08:00
parent 4705705548
commit 55b7aa1632
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
54 changed files with 216 additions and 102 deletions
Download patch file Download diff file Expand all files Collapse all files

13
libc/calls/fcntl-nt.c
View file

@ -51,6 +51,7 @@
#include "libc/sysv/consts/fio.h"
#include "libc/sysv/consts/o.h"
#include "libc/sysv/errfuns.h"
#include "libc/thread/posixthread.internal.h"
#include "libc/thread/thread.h"
struct FileLock {
@ -67,7 +68,9 @@ struct FileLocks {
struct FileLock *free;
};
static struct FileLocks g_locks;
static struct FileLocks g_locks = {
.mu = PTHREAD_MUTEX_INITIALIZER,
};
static textwindows struct FileLock *NewFileLock(void) {
struct FileLock *fl;
@ -110,7 +113,7 @@ static textwindows bool EqualsFileLock(struct FileLock *fl, int64_t off,
textwindows void sys_fcntl_nt_lock_cleanup(int fd) {
struct FileLock *fl, *ft, **flp;
pthread_mutex_lock(&g_locks.mu);
_pthread_mutex_lock(&g_locks.mu);
for (flp = &g_locks.list, fl = *flp; fl;) {
if (fl->fd == fd) {
*flp = fl->next;
@ -122,7 +125,7 @@ textwindows void sys_fcntl_nt_lock_cleanup(int fd) {
fl = *flp;
}
}
pthread_mutex_unlock(&g_locks.mu);
_pthread_mutex_unlock(&g_locks.mu);
}
static textwindows int64_t GetfileSize(int64_t handle) {
@ -353,9 +356,9 @@ textwindows int sys_fcntl_nt(int fd, int cmd, uintptr_t arg) {
} else if (cmd == F_SETLK || cmd == F_SETLKW || cmd == F_GETLK) {
struct Fd *f = g_fds.p + fd;
if (f->cursor) {
pthread_mutex_lock(&g_locks.mu);
_pthread_mutex_lock(&g_locks.mu);
rc = sys_fcntl_nt_lock(f, fd, cmd, arg);
pthread_mutex_unlock(&g_locks.mu);
_pthread_mutex_unlock(&g_locks.mu);
} else {
rc = ebadf();
}