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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2020-05-18 17:05:05 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2020-07-07 14:57:14 -0300
commitbfe05aa289054744b68f136b701705cfd242c4de (patch)
tree72dcbbc0e28edb061e7a25d22b27518acb6f3023 /string/Versions
parent4f92497488c90fea1ef6796c6d564ff5f8a3add6 (diff)
downloadglibc-bfe05aa289054744b68f136b701705cfd242c4de.tar.gz
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string: Add sigabbrev_np and sigdescr_np
The sigabbrev_np returns the abbreviated signal name (e.g. "HUP" for
SIGHUP) while sigdescr_np returns the string describing the error
number (e.g "Hangup" for SIGHUP).  Different than strsignal,
sigdescr_np does not attempt to translate the return description and
both functions return NULL for an invalid signal number.

They should be used instead of sys_siglist or sys_sigabbrev and they
are both thread and async-signal safe.  They are added as GNU
extensions on string.h header (same as strsignal).

Checked on x86-64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu,
and s390x-linux-gnu.

Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'string/Versions')
-rw-r--r--string/Versions3
1 files changed, 3 insertions, 0 deletions
diff --git a/string/Versions b/string/Versions
index 9b709d12a9..6f8dd2d372 100644
--- a/string/Versions
+++ b/string/Versions
@@ -85,4 +85,7 @@ libc {
   GLIBC_2.25 {
     explicit_bzero;
   }
+  GLIBC_2.32 {
+    sigdescr_np; sigabbrev_np;
+  }
 }