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tools/nolibc: Make getpgrp() fall back to getpgid(0)
The getpgrp() syscall is not implemented on arm64, so this commit instead
uses getpgid(0) when getpgrp() is not available. This is a port of
nolibc's upstream commit 2379f25073f9 to the Linux kernel.
Fixes: 66b6f755ad
("rcutorture: Import a copy of nolibc")
Tested-by: Valentin Schneider <valentin.schneider@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com> [arm64]
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
parent
79f220e56d
commit
c0c7c10375
1 changed files with 19 additions and 1 deletions
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@ -1544,10 +1544,16 @@ int sys_getdents64(int fd, struct linux_dirent64 *dirp, int count)
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return my_syscall3(__NR_getdents64, fd, dirp, count);
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}
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static __attribute__((unused))
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pid_t sys_getpgid(pid_t pid)
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{
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return my_syscall1(__NR_getpgid, pid);
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}
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static __attribute__((unused))
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pid_t sys_getpgrp(void)
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{
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return my_syscall0(__NR_getpgrp);
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return sys_getpgid(0);
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}
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static __attribute__((unused))
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@ -1950,6 +1956,18 @@ int getdents64(int fd, struct linux_dirent64 *dirp, int count)
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return ret;
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}
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static __attribute__((unused))
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pid_t getpgid(pid_t pid)
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{
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pid_t ret = sys_getpgid(pid);
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if (ret < 0) {
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SET_ERRNO(-ret);
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ret = -1;
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}
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return ret;
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}
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static __attribute__((unused))
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pid_t getpgrp(void)
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{
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