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linux: Add P_PIDFD 

It was added on Linux 5.4 (3695eae5fee0605f316fbaad0b9e3de791d7dfaf)
to extend waitid to wait on pidfd.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Adhemerval Zanella 2022-01-28 17:38:38 -03:00
parent 56cf9e8eec
commit b3528b0048
4 changed files with 28 additions and 7 deletions
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2
posix/Makefile
View File

@ -32,7 +32,7 @@ headers := sys/utsname.h sys/times.h sys/wait.h sys/types.h unistd.h \
bits/waitflags.h bits/waitstatus.h sys/unistd.h sched.h \
bits/sched.h bits/cpu-set.h re_comp.h wait.h bits/environments.h \
cpio.h spawn.h bits/unistd.h bits/types/struct_sched_param.h \
bits/unistd_ext.h
bits/unistd_ext.h bits/types/idtype_t.h
routines := \
uname \

7
posix/sys/wait.h
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@ -71,12 +71,7 @@ typedef __pid_t pid_t;
/* The following values are used by the `waitid' function. */
#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
typedef enum
{
P_ALL, /* Wait for any child. */
P_PID, /* Wait for specified process. */
P_PGID /* Wait for members of process group. */
} idtype_t;
# include <bits/types/idtype_t.h>
#endif

12
sysdeps/mach/hurd/bits/types/idtype_t.h Normal file
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@ -0,0 +1,12 @@
#ifndef __idtype_t_defined
#define __idtype_t_defined
/* The following values are used by the `waitid' function. */
typedef enum
{
P_ALL, /* Wait for any child. */
P_PID, /* Wait for specified process. */
P_PGID, /* Wait for members of process group. */
} idtype_t;
#endif

14
sysdeps/unix/sysv/linux/bits/types/idtype_t.h Normal file
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@ -0,0 +1,14 @@
#ifndef __idtype_t_defined
#define __idtype_t_defined
/* The following values are used by the `waitid' function. */
typedef enum
{
P_ALL, /* Wait for any child. */
P_PID, /* Wait for specified process. */
P_PGID, /* Wait for members of process group. */
P_PIDFD, /* Wait for the child referred by the PID file
descriptor. */
} idtype_t;
#endif