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Update PIDFD_* constants for Linux 6.9

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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.
This commit is contained in:
Joseph Myers
2024-05-23 12:22:40 +00:00
parent 6d3b523eb5
commit e9a37242f9
2 changed files with 8 additions and 9 deletions
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15
sysdeps/unix/sysv/linux/sys/pidfd.h
View File

@@ -22,12 +22,14 @@
#include <bits/types/siginfo_t.h> #include <bits/types/siginfo_t.h>
#define PIDFD_NONBLOCK O_NONBLOCK #define PIDFD_NONBLOCK O_NONBLOCK
#define PIDFD_THREAD O_EXCL
#define PIDFD_SIGNAL_THREAD (1UL << 0)
#define PIDFD_SIGNAL_THREAD_GROUP (1UL << 1)
#define PIDFD_SIGNAL_PROCESS_GROUP (1UL << 2)
/* Returns a file descriptor that refers to the process PID. The /* Returns a file descriptor that refers to the process PID. The
close-on-exec is set on the file descriptor. close-on-exec is set on the file descriptor. */
The FLAGS argument is reserved for future use, it must be specified
as 0. */
extern int pidfd_open (__pid_t __pid, unsigned int __flags) __THROW; extern int pidfd_open (__pid_t __pid, unsigned int __flags) __THROW;
/* Duplicates an existing file descriptor TARGETFD in the process referred /* 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; unsigned int __flags) __THROW;
/* Sends the signal SIG to the target process referred by the PIDFD. If /* Sends the signal SIG to the target process referred by the PIDFD. If
INFO points to a siginfo_t buffer, it will be populated. 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. */
extern int pidfd_send_signal (int __pidfd, int __sig, siginfo_t *__info, extern int pidfd_send_signal (int __pidfd, int __sig, siginfo_t *__info,
unsigned int __flags) __THROW; unsigned int __flags) __THROW;

2
sysdeps/unix/sysv/linux/tst-pidfd-consts.py
View File

@@ -39,7 +39,7 @@ def main():
sys.exit (77) sys.exit (77)
linux_version_headers = glibcsyscalls.linux_kernel_version(args.cc) 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( sys.exit(glibcextract.compare_macro_consts(
'#include <sys/pidfd.h>\n', '#include <sys/pidfd.h>\n',
'#include <asm/fcntl.h>\n' '#include <asm/fcntl.h>\n'