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fix: libuv patches to address child_process.spawn slowness (#33337)

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* fix: libuv patches to address child_process.spawn slowness

* chore: backport additional patches

Co-authored-by: deepak1556 <hop2deep@gmail.com>
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Jeremy Rose 2022-03-23 06:30:54 -07:00 • committed by GitHub
parent a5ab10f3d2
commit f912130be6
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patches/node/unix_remove_uv_cloexec_ioctl_3515.patch Normal file
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@ -0,0 +1,91 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jameson Nash <vtjnash@gmail.com>
Date: Sun, 6 Mar 2022 15:01:33 -0500
Subject: unix: remove uv__cloexec_ioctl() (#3515)
Now that uv__cloexec_fcntl() is simplified
(https://github.com/libuv/libuv/pull/3492), there is no benefit to
maintaining duplicate code paths for the same thing.
diff --git a/deps/uv/src/unix/core.c b/deps/uv/src/unix/core.c
index 6cd519ad5b3e7af8f5c71b18a59b88458a233f15..8c30802ad15316a8ec20ecedfb5123174d74276b 100644
--- a/deps/uv/src/unix/core.c
+++ b/deps/uv/src/unix/core.c
@@ -597,20 +597,6 @@ int uv__nonblock_ioctl(int fd, int set) {
return 0;
}
-
-
-int uv__cloexec_ioctl(int fd, int set) {
- int r;
-
- do
- r = ioctl(fd, set ? FIOCLEX : FIONCLEX);
- while (r == -1 && errno == EINTR);
-
- if (r)
- return UV__ERR(errno);
-
- return 0;
-}
#endif
@@ -645,7 +631,7 @@ int uv__nonblock_fcntl(int fd, int set) {
}
-int uv__cloexec_fcntl(int fd, int set) {
+int uv__cloexec(int fd, int set) {
int flags;
int r;
diff --git a/deps/uv/src/unix/internal.h b/deps/uv/src/unix/internal.h
index 2dcc8b32f5165dd75061a1b55cc1abd2ab93ccc9..543993989b8765247e140e9d950a25192e5e1ca5 100644
--- a/deps/uv/src/unix/internal.h
+++ b/deps/uv/src/unix/internal.h
@@ -175,11 +175,9 @@ struct uv__stream_queued_fds_s {
defined(__linux__) || \
defined(__OpenBSD__) || \
defined(__NetBSD__)
-#define uv__cloexec uv__cloexec_ioctl
#define uv__nonblock uv__nonblock_ioctl
#define UV__NONBLOCK_IS_IOCTL 1
#else
-#define uv__cloexec uv__cloexec_fcntl
#define uv__nonblock uv__nonblock_fcntl
#define UV__NONBLOCK_IS_IOCTL 0
#endif
@@ -197,8 +195,7 @@ struct uv__stream_queued_fds_s {
#endif
/* core */
-int uv__cloexec_ioctl(int fd, int set);
-int uv__cloexec_fcntl(int fd, int set);
+int uv__cloexec(int fd, int set);
int uv__nonblock_ioctl(int fd, int set);
int uv__nonblock_fcntl(int fd, int set);
int uv__close(int fd); /* preserves errno */
diff --git a/deps/uv/src/unix/process.c b/deps/uv/src/unix/process.c
index 7705068730cb0536998bad7d304cb87df99b72e8..b6f9756c6a6710f5f10762b9299cc35047b98097 100644
--- a/deps/uv/src/unix/process.c
+++ b/deps/uv/src/unix/process.c
@@ -283,7 +283,7 @@ static void uv__process_child_init(const uv_process_options_t* options,
if (pipes[fd][1] == -1)
uv__write_errno(error_fd);
#ifndef F_DUPFD_CLOEXEC /* POSIX 2008 */
- n = uv__cloexec_fcntl(pipes[fd][1], 1);
+ n = uv__cloexec(pipes[fd][1], 1);
if (n) {
uv__write_int(error_fd, n);
_exit(127);
@@ -312,7 +312,7 @@ static void uv__process_child_init(const uv_process_options_t* options,
if (fd == use_fd) {
if (close_fd == -1) {
- n = uv__cloexec_fcntl(use_fd, 0);
+ n = uv__cloexec(use_fd, 0);
if (n) {
uv__write_int(error_fd, n);
_exit(127);