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Diffstat (limited to 'sysdeps/unix/sysv/linux/sys')
-rw-r--r--sysdeps/unix/sysv/linux/sys/pidfd.h15
1 files changed, 7 insertions, 8 deletions
diff --git a/sysdeps/unix/sysv/linux/sys/pidfd.h b/sysdeps/unix/sysv/linux/sys/pidfd.h
index 1078322..9f88d29 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;