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sys/wait.h: add P_PIDFD from linux v5.4 

allows waiting on a pidfd, in the future it might allow retrieving the
exit status by a non-parent process, see

  linux commit 3695eae5fee0605f316fbaad0b9e3de791d7dfaf
  pidfd: add P_PIDFD to waitid()
This commit is contained in:
Szabolcs Nagy 2019-12-22 12:11:30 +00:00 committed by Rich Felker
parent 5e0c9f246c
commit f296be74d5
1 changed files with 2 additions and 1 deletions
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3
include/sys/wait.h
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@ -13,7 +13,8 @@ extern "C" {
typedef enum {
P_ALL = 0,
P_PID = 1,
P_PGID = 2
P_PGID = 2,
P_PIDFD = 3
} idtype_t;
pid_t wait (int *);