5 files changed, 123 insertions, 3 deletions
diff --git a/src/libstddjb/sig-internal.h b/src/libstddjb/sig-internal.h
new file mode 100644
index 0000000..9b540fa
--- /dev/null
+++ b/src/libstddjb/sig-internal.h
@@ -0,0 +1,15 @@
+/* ISC license. */
+
+#ifndef SIG_INTERNAL
+#define SIG_INTERNAL
+
+typedef struct sigtable_s sigtable_t, *sigtable_t_ref ;
+struct sigtable_s
+{
+  int number ;
+  char const *name ;
+} ;
+
+extern sigtable_t const skalibs_sigtable[] ;
+
+#endif
diff --git a/src/libstddjb/sig_name.c b/src/libstddjb/sig_name.c
new file mode 100644
index 0000000..dd5a456
--- /dev/null
+++ b/src/libstddjb/sig_name.c
@@ -0,0 +1,11 @@
+/* ISC license. */
+
+#include <skalibs/sig.h>
+#include "sig-internal.h"
+
+char const *sig_name (int sig)
+{
+  register sigtable_t const *p = skalibs_sigtable ;
+  for (; p->number ; p++) if (sig == p->number) break ;
+  return p->number ? p->name : "???" ;
+}
diff --git a/src/libstddjb/sig_number.c b/src/libstddjb/sig_number.c
new file mode 100644
index 0000000..93d9b59
--- /dev/null
+++ b/src/libstddjb/sig_number.c
@@ -0,0 +1,12 @@
+/* ISC license. */
+
+#include <skalibs/bytestr.h>
+#include <skalibs/sig.h>
+#include "sig-internal.h"
+
+int sig_number (char const *name)
+{
+  register sigtable_t const *p = skalibs_sigtable ;
+  for (; p->name ; p++) if (!str_diff(name, p->name)) break ;
+  return p->number ;
+}
diff --git a/src/libstddjb/sig_table.c b/src/libstddjb/sig_table.c
new file mode 100644
index 0000000..d097cb5
--- /dev/null
+++ b/src/libstddjb/sig_table.c
@@ -0,0 +1,83 @@
+ /* ISC license. */
+
+#include <signal.h>
+#include "sig-internal.h"
+
+sigtable_t const skalibs_sigtable[] =
+{
+  { SIGABRT, "ABRT" },
+  { SIGALRM, "ALRM" },
+  { SIGBUS, "BUS" },
+  { SIGCHLD, "CHLD" },
+  { SIGCONT, "CONT" },
+  { SIGFPE, "FPE" },
+  { SIGHUP, "HUP" },
+  { SIGILL, "ILL" },
+  { SIGINT, "INT" },
+  { SIGKILL, "KILL" },
+  { SIGPIPE, "PIPE" },
+  { SIGQUIT, "QUIT" },
+  { SIGSEGV, "SEGV" },
+  { SIGSTOP, "STOP" },
+  { SIGTERM, "TERM" },
+  { SIGTSTP, "TSTP" },
+  { SIGTTIN, "TTIN" },
+  { SIGTTOU, "TTOU" },
+  { SIGUSR1, "USR1" },
+  { SIGUSR2, "USR2" },
+#ifdef SIGPOLL
+  { SIGPOLL, "POLL" },
+#endif
+#ifdef SIGPROF
+  { SIGPROF, "PROF" },
+#endif 
+#ifdef SIGSYS
+  { SIGSYS, "SYS" },
+#endif
+#ifdef SIGTRAP
+  { SIGTRAP, "TRAP" },
+#endif
+#ifdef SIGURG
+  { SIGURG, "URG" },
+#endif
+#ifdef SIGVTALRM
+  { SIGVTALRM, "VTALRM" },
+#endif
+#ifdef SIGXCPU
+  { SIGXCPU, "XCPU" },
+#endif
+#ifdef SIGXFSZ
+  { SIGXFSZ, "XFSZ" },
+#endif
+#ifdef SIGIOT
+  { SIGIOT, "IOT" },
+#endif
+#ifdef SIGEMT
+  { SIGEMT, "EMT" },
+#endif
+#ifdef SIGSTKFLT
+  { SIGSTKFLT, "STKFLT" },
+#endif
+#ifdef SIGCLD
+  { SIGCLD, "CLD" },
+#endif
+#ifdef SIGWINCH
+  { SIGWINCH, "WINCH" },
+#endif
+#ifdef SIGIO
+  { SIGIO, "IO" },
+#endif
+#ifdef SIGINFO
+  { SIGINFO, "INFO" },
+#endif
+#ifdef SIGLOST
+  { SIGLOST, "LOST" },
+#endif
+#ifdef SIGPWR
+  { SIGPWR, "PWR" },
+#endif
+#ifdef SIGUNUSED
+  { SIGUNUSED, "UNUSED" },
+#endif
+  { 0, 0 }
+} ;
diff --git a/src/libstddjb/skasigaction.c b/src/libstddjb/skasigaction.c
index a673fcb..bb55642 100644
--- a/src/libstddjb/skasigaction.c
+++ b/src/libstddjb/skasigaction.c
@@ -1,7 +1,6 @@
 /* ISC license. */
 
 #include <signal.h>
-#include <skalibs/sysdeps.h>
 #include <skalibs/sig.h>
 
 int skasigaction (int sig, struct skasigaction const *new, struct skasigaction *old)
@@ -10,11 +9,11 @@ int skasigaction (int sig, struct skasigaction const *new, struct skasigaction *
   if (((new->flags & SKASA_MASKALL) ? sigfillset(&sanew.sa_mask) : sigemptyset(&sanew.sa_mask)) == -1) return -1 ;
   sanew.sa_handler = new->handler ;
   sanew.sa_flags = (new->flags & SKASA_NOCLDSTOP) ? SA_NOCLDSTOP : 0 ;
-  if (sigaction(sig, &sanew, &saold) == -1) return -1 ;
+  if (sigaction(sig, &sanew, &saold) < 0) return -1 ;
   if (old)
   {
     register int r = sigismember(&saold.sa_mask, (sig == SIGTERM) ? SIGPIPE : SIGTERM) ;
-    if (r == -1) return -1 ;
+    if (r < 0) return -1 ;
     old->flags = 0 ;
     if (r) old->flags |= SKASA_MASKALL ;
     if (saold.sa_flags & SA_NOCLDSTOP) old->flags |= SKASA_NOCLDSTOP ;