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psignal(3): document return values of sig2str() and str2sig

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Reviewed by:		bcr
Differential Revision:	https://reviews.freebsd.org/D52698
This commit is contained in:
Gleb Smirnoff
2025-09-25 01:19:46 -07:00
parent b00e65ff70
commit b0091036f7
1 changed files with 8 additions and 1 deletions
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lib/libc/gen/psignal.3
+8 -1
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@@ -25,7 +25,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE. .\" SUCH DAMAGE.
.\" .\"
.Dd May 10, 2025 .Dd September 23, 2025
.Dt PSIGNAL 3 .Dt PSIGNAL 3
.Os .Os
.Sh NAME .Sh NAME
@@ -141,6 +141,13 @@ The name in
can be either the name of the signal, with or without the can be either the name of the signal, with or without the
.Dq SIG .Dq SIG
prefix, or a decimal number. prefix, or a decimal number.
.Sh RETURN VALUES
The
.Fn sig2str
and
.Fn str2sig
return 0 on success and -1 on translation failure.
In the latter case the memory to store the translation result is left intact.
.Sh SEE ALSO .Sh SEE ALSO
.Xr sigaction 2 , .Xr sigaction 2 ,
.Xr perror 3 , .Xr perror 3 ,