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Make detached threads work better

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This change adds a double linked list of threads, so that pthread_exit()
will know when it should call exit() from an orphaned child. This change
also improves ftrace and strace logging.
This commit is contained in:
Justine Tunney 2022-11-09 03:58:57 -08:00
parent b74d8c1acd
commit cee6871710
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GPG key ID: BE714B4575D6E328
37 changed files with 638 additions and 314 deletions
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4
libc/zipos/open.c
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@ -116,7 +116,9 @@ static int __zipos_mkfd(int minfd) {
static int __zipos_setfd(int fd, struct ZiposHandle *h, unsigned flags,
int mode) {
_cmpxchg(&g_fds.f, fd, fd + 1);
int want = fd;
atomic_compare_exchange_strong_explicit(
&g_fds.f, &want, fd + 1, memory_order_release, memory_order_relaxed);
g_fds.p[fd].kind = kFdZip;
g_fds.p[fd].handle = (intptr_t)h;
g_fds.p[fd].flags = flags | O_CLOEXEC;