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| author | Xi Ruoyao <xry111@xry111.site> | 2024-01-04 21:41:20 +0800 |
|---|---|---|
| committer | Andreas K. Hüttel <dilfridge@gentoo.org> | 2024-01-12 14:23:11 +0100 |
| commit | 5a85786a9005722be7cb9e70f8874a5f1130daea (patch) | |
| tree | a16f92ad1183613e1311a6a35bfc2c91ef3f4382 /sysdeps/generic | |
| parent | f2b65a44714e8fa13c7637cd9413169590795879 (diff) | |
| download | glibc-5a85786a9005722be7cb9e70f8874a5f1130daea.tar.gz glibc-5a85786a9005722be7cb9e70f8874a5f1130daea.tar.xz glibc-5a85786a9005722be7cb9e70f8874a5f1130daea.zip | |
Make __getrandom_nocancel set errno and add a _nostatus version
The __getrandom_nocancel function returns errors as negative values instead of errno. This is inconsistent with other _nocancel functions and it breaks "TEMP_FAILURE_RETRY (__getrandom_nocancel (p, n, 0))" in __arc4random_buf. Use INLINE_SYSCALL_CALL instead of INTERNAL_SYSCALL_CALL to fix this issue. But __getrandom_nocancel has been avoiding from touching errno for a reason, see BZ 29624. So add a __getrandom_nocancel_nostatus function and use it in tcache_key_initialize. Signed-off-by: Xi Ruoyao <xry111@xry111.site> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>
Diffstat (limited to 'sysdeps/generic')
| -rw-r--r-- | sysdeps/generic/not-cancel.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdeps/generic/not-cancel.h b/sysdeps/generic/not-cancel.h index d9a6cba443..2dd1064600 100644 --- a/sysdeps/generic/not-cancel.h +++ b/sysdeps/generic/not-cancel.h @@ -51,6 +51,8 @@ __fcntl64 (fd, cmd, __VA_ARGS__) #define __getrandom_nocancel(buf, size, flags) \ __getrandom (buf, size, flags) +#define __getrandom_nocancel_nostatus(buf, size, flags) \ + __getrandom (buf, size, flags) #define __poll_infinity_nocancel(fds, nfds) \ __poll (fds, nfds, -1) |