diff options
| author | Laurent Bercot <ska-skaware@skarnet.org> | 2022-02-17 11:34:31 +0000 |
|---|---|---|
| committer | Laurent Bercot <ska@appnovation.com> | 2022-02-17 11:34:31 +0000 |
| commit | e093317ded6ea3543ebd2f8aabd2d2b2b7fc21f0 (patch) | |
| tree | 193ecd7d4b14133e608f42ad45ebf4fca2d4158c | |
| parent | d9f541c2b3af552232eb55c114aaefda31b80f8d (diff) | |
| download | skalibs-e093317ded6ea3543ebd2f8aabd2d2b2b7fc21f0.tar.xz | |
Full errno paranoia in selfpipe signal handler
Signed-off-by: Laurent Bercot <ska@appnovation.com>
| -rw-r--r-- | src/libstddjb/selfpipe_internal.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libstddjb/selfpipe_internal.c b/src/libstddjb/selfpipe_internal.c index 34bdd51..45063bc 100644 --- a/src/libstddjb/selfpipe_internal.c +++ b/src/libstddjb/selfpipe_internal.c @@ -16,6 +16,7 @@ int selfpipe_fd = -1 ; #else #include <unistd.h> +#include <errno.h> #include <skalibs/allreadwrite.h> @@ -23,8 +24,10 @@ int selfpipe[2] = { -1, -1 } ; void selfpipe_tophalf (int s) { + int e = errno ; unsigned char c = (unsigned char)s ; write(selfpipe[1], (char *)&c, 1) ; + errno = e ; } #endif |