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* [glibc] Update PIDFD_* constants for Linux 6.9
@ 2024-05-23 12:23 Joseph Myers
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From: Joseph Myers @ 2024-05-23 12:23 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e9a37242f9cca80496aa934158b7e366b8b419fa
commit e9a37242f9cca80496aa934158b7e366b8b419fa
Author: Joseph Myers <josmyers@redhat.com>
Date: Thu May 23 12:22:40 2024 +0000
Update PIDFD_* constants for Linux 6.9
Linux 6.9 adds some more PIDFD_* constants. Add them to glibc's
sys/pidfd.h, including updating comments that said FLAGS was reserved
and must be 0, along with updating tst-pidfd-consts.py.
Tested with build-many-glibcs.py.
Diff:
---
sysdeps/unix/sysv/linux/sys/pidfd.h | 15 +++++++--------
sysdeps/unix/sysv/linux/tst-pidfd-consts.py | 2 +-
2 files changed, 8 insertions(+), 9 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/sys/pidfd.h b/sysdeps/unix/sysv/linux/sys/pidfd.h
index 1078322062..9f88d297e8 100644
--- a/sysdeps/unix/sysv/linux/sys/pidfd.h
+++ b/sysdeps/unix/sysv/linux/sys/pidfd.h
@@ -22,12 +22,14 @@
#include <bits/types/siginfo_t.h>
#define PIDFD_NONBLOCK O_NONBLOCK
+#define PIDFD_THREAD O_EXCL
-/* Returns a file descriptor that refers to the process PID. The
- close-on-exec is set on the file descriptor.
+#define PIDFD_SIGNAL_THREAD (1UL << 0)
+#define PIDFD_SIGNAL_THREAD_GROUP (1UL << 1)
+#define PIDFD_SIGNAL_PROCESS_GROUP (1UL << 2)
- The FLAGS argument is reserved for future use, it must be specified
- as 0. */
+/* Returns a file descriptor that refers to the process PID. The
+ close-on-exec is set on the file descriptor. */
extern int pidfd_open (__pid_t __pid, unsigned int __flags) __THROW;
/* Duplicates an existing file descriptor TARGETFD in the process referred
@@ -39,10 +41,7 @@ extern int pidfd_getfd (int __pidfd, int __targetfd,
unsigned int __flags) __THROW;
/* Sends the signal SIG to the target process referred by the PIDFD. If
- INFO points to a siginfo_t buffer, it will be populated.
-
- The FLAGS argument is reserved for future use, it must be specified
- as 0. */
+ INFO points to a siginfo_t buffer, it will be populated. */
extern int pidfd_send_signal (int __pidfd, int __sig, siginfo_t *__info,
unsigned int __flags) __THROW;
diff --git a/sysdeps/unix/sysv/linux/tst-pidfd-consts.py b/sysdeps/unix/sysv/linux/tst-pidfd-consts.py
index 96875ac266..6f05291949 100644
--- a/sysdeps/unix/sysv/linux/tst-pidfd-consts.py
+++ b/sysdeps/unix/sysv/linux/tst-pidfd-consts.py
@@ -39,7 +39,7 @@ def main():
sys.exit (77)
linux_version_headers = glibcsyscalls.linux_kernel_version(args.cc)
- linux_version_glibc = (6, 8)
+ linux_version_glibc = (6, 9)
sys.exit(glibcextract.compare_macro_consts(
'#include <sys/pidfd.h>\n',
'#include <asm/fcntl.h>\n'
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2024-05-23 12:23 [glibc] Update PIDFD_* constants for Linux 6.9 Joseph Myers
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