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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2018-08-21 21:54:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-08-22 10:52:45 -0700 |
| commit | 61d47c4e71c1f080e7412315c8685bc682a8e53a (patch) | |
| tree | 4df72b36490c5ff56010a498502fe4bc02c6073b /tools/testing/selftests/proc/proc.h | |
| parent | bdf228a27278d398ad26a156f01811be405867f9 (diff) | |
| download | linux-61d47c4e71c1f080e7412315c8685bc682a8e53a.tar.gz linux-61d47c4e71c1f080e7412315c8685bc682a8e53a.tar.bz2 linux-61d47c4e71c1f080e7412315c8685bc682a8e53a.zip | |
proc: test /proc/self symlink
There are plans to change how /proc/self result is calculated,
for that a test is necessary.
Use direct system call because of this whole getpid caching story.
Link: http://lkml.kernel.org/r/20180627195103.GB18113@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/testing/selftests/proc/proc.h')
| -rw-r--r-- | tools/testing/selftests/proc/proc.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/testing/selftests/proc/proc.h b/tools/testing/selftests/proc/proc.h index 4e178166fd84..31ca4b0c007f 100644 --- a/tools/testing/selftests/proc/proc.h +++ b/tools/testing/selftests/proc/proc.h @@ -6,6 +6,13 @@ #include <stdbool.h> #include <stdlib.h> #include <string.h> +#include <unistd.h> +#include <sys/syscall.h> + +static inline pid_t sys_getpid(void) +{ + return syscall(SYS_getpid); +} static inline bool streq(const char *s1, const char *s2) { |