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Improve dead code elimination

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This commit is contained in:
Justine Tunney 2021-02-08 04:04:42 -08:00
parent 760db8c5ad
commit 0e36cb3ac4
6606 changed files with 9685 additions and 9854 deletions
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30
libc/calls/close.c
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@ -39,21 +39,23 @@ int close(int fd) {
if (fd < 0) return einval();
if (fd < g_fds.n && g_fds.p[fd].kind == kFdZip) {
rc = weaken(__zipos_close)(fd);
} else if (fd < g_fds.n && g_fds.p[fd].kind == kFdEpoll) {
rc = weaken(sys_close_epoll)(fd);
} else if (!IsWindows()) {
rc = sys_close(fd);
} else if (fd < g_fds.n && g_fds.p[fd].kind == kFdSocket) {
rc = weaken(sys_closesocket_nt)(g_fds.p + fd);
} else if (fd < g_fds.n &&
(g_fds.p[fd].kind == kFdFile || g_fds.p[fd].kind == kFdConsole ||
g_fds.p[fd].kind == kFdProcess)) {
rc = sys_close_nt(g_fds.p + fd);
} else {
rc = ebadf();
}
if (!__vforked && fd < g_fds.n) {
__releasefd(fd);
if (!IsWindows()) {
rc = sys_close(fd);
} else {
if (fd < g_fds.n && g_fds.p[fd].kind == kFdEpoll) {
rc = weaken(sys_close_epoll_nt)(fd);
} else if (fd < g_fds.n && g_fds.p[fd].kind == kFdSocket) {
rc = weaken(sys_closesocket_nt)(g_fds.p + fd);
} else if (fd < g_fds.n && (g_fds.p[fd].kind == kFdFile ||
g_fds.p[fd].kind == kFdConsole ||
g_fds.p[fd].kind == kFdProcess)) {
rc = sys_close_nt(g_fds.p + fd);
} else {
rc = ebadf();
}
}
}
__releasefd(fd);
return rc;
}