libsheepy

commit 733fea5730bd1708472e1d9029bb4a1f0fded77c
parent 4fbcca506edc8576a737075a2adf2466c797efe4
Author: Remy Noulin <loader2x@gmail.com>
Date:   Thu, 23 Sep 2021 13:06:36 +0200

fix coredump on segfaults. In segfault handler call default handler

release/libsheepy.c | 24 ++++++++++++------------
release/libsheepy.h |  2 +-
src/libsheepy.c     | 24 ++++++++++++------------
src/libsheepy.h     |  2 +-
4 files changed, 26 insertions(+), 26 deletions(-)

Diffstat:
M
release/libsheepy.c
 | 
24
++++++++++++------------
M
release/libsheepy.h
 | 
2
+-
M
src/libsheepy.c
 | 
24
++++++++++++------------
M
src/libsheepy.h
 | 
2
+-

4 files changed, 26 insertions(+), 26 deletions(-)
diff --git a/release/libsheepy.c b/release/libsheepy.c
@@ -860,6 +860,8 @@ static char *progName                = NULL;
 static const char *defaultProgName   = NULL;
 static char *libSheepyRealProgPath   = NULL;
 
+static struct sigaction default_sa   = init0Var;
+
 /**
  * segmentation fault handler
  *
@@ -881,13 +883,15 @@ internal void segfault_sigaction(int signal, siginfo_t *si, void *arg) {
   /* realpath("/proc/self/exe", realProgPath); */
   /* s = 'addr2line -e %s %s', realProgPath, addr */
   /* systemNFree(s); */
-  XFAILURE
+  // call default signal handler
+  default_sa.sa_sigaction(signal, si, arg);
 }
+
 #else // __arm__ || __aarch64__ || __APPLE__ || __i386__ || __FreeBSD__ || __OpenBSD__ || __DragonFly__ || MUSL_LIBC || __HAIKU__
 internal void segfault_sigaction(int signal UNUSED, siginfo_t *si UNUSED, void *arg UNUSED) {
 
-  puts("Segfault");
-  XFAILURE
+  // call default signal handler
+  default_sa.sa_sigaction(signal, si, arg);
 }
 
 #endif
@@ -1493,12 +1497,11 @@ void initLibsheepyF(const char *progPath, initLibsheepyObjectP initF) {
   }
 
   // segfault signal
-  struct sigaction sa;
-  memset(&sa, 0, sizeof(struct sigaction));
+  struct sigaction sa = init0Var;
   sigemptyset(&sa.sa_mask);
   sa.sa_sigaction = segfault_sigaction;;
   sa.sa_flags   = SA_SIGINFO;;
-  sigaction(SIGSEGV, &sa, NULL);
+  sigaction(SIGSEGV, &sa, &default_sa);
 
   // fibers
   staticArrayInit(fibers.L);
@@ -1553,12 +1556,11 @@ void initLibsheepyF(const char *progPath, initLibsheepyObjectP initF) {
   }
 
   // segfault signal
-  struct sigaction sa;
-  memset(&sa, 0, sizeof(struct sigaction));
+  struct sigaction sa = init0Var;
   sigemptyset(&sa.sa_mask);
   sa.sa_sigaction = segfault_sigaction;;
   sa.sa_flags   = SA_SIGINFO;;
-  sigaction(SIGSEGV, &sa, NULL);
+  sigaction(SIGSEGV, &sa, &default_sa);
 
   // fibers
   staticArrayInit(fibers.L);
@@ -1931,7 +1933,7 @@ time_t getCurrentUnixTime(void) {
  *
  */
 time_t strToUnixTime(const char *date, const char *format) {
-  struct tm tm;
+  struct tm tm = init0Var;;
   time_t r;
 
   // sanity checks
@@ -1939,8 +1941,6 @@ time_t strToUnixTime(const char *date, const char *format) {
     return(-1);
   }
 
-  memset(&tm, 0, sizeof tm);
-
   if ((strptime(date, format, &tm))) {
     r = mktime(&tm);
   }
diff --git a/release/libsheepy.h b/release/libsheepy.h
@@ -98,7 +98,7 @@
 
 // version accoring to the version package: Release.Major.minor.patch
 // https://noulin.net/version/file/README.md.html
-#define LIBSHEEPY_VERSION "2.2.6.3"
+#define LIBSHEEPY_VERSION "2.2.6.4"
 
 #ifndef SH_PREFIX
 #define SH_PREFIX(NAME) NAME
diff --git a/src/libsheepy.c b/src/libsheepy.c
@@ -916,6 +916,8 @@ static char *progName                = NULL;
 static const char *defaultProgName   = NULL;
 static char *libSheepyRealProgPath   = NULL;
 
+static struct sigaction default_sa   = init0Var;
+
 /**
  * segmentation fault handler
  *
@@ -937,13 +939,15 @@ internal void segfault_sigaction(int signal, siginfo_t *si, void *arg) {
   /* realpath("/proc/self/exe", realProgPath); */
   /* s = 'addr2line -e %s %s', realProgPath, addr */
   /* systemNFree(s); */
-  XFAILURE
+  // call default signal handler
+  default_sa.sa_sigaction(signal, si, arg);
 }
+
 #else // __arm__ || __aarch64__ || __APPLE__ || __i386__ || __FreeBSD__ || __OpenBSD__ || __DragonFly__ || MUSL_LIBC || __HAIKU__
 internal void segfault_sigaction(int signal UNUSED, siginfo_t *si UNUSED, void *arg UNUSED) {
 
-  puts("Segfault");
-  XFAILURE
+  // call default signal handler
+  default_sa.sa_sigaction(signal, si, arg);
 }
 
 #endif
@@ -1549,12 +1553,11 @@ void initLibsheepyF(const char *progPath, initLibsheepyObjectP initF) {
   }
 
   // segfault signal
-  struct sigaction sa;
-  memset(&sa, 0, sizeof(struct sigaction));
+  struct sigaction sa = init0Var;
   sigemptyset(&sa.sa_mask);
   sa.sa_sigaction = segfault_sigaction;;
   sa.sa_flags   = SA_SIGINFO;;
-  sigaction(SIGSEGV, &sa, NULL);
+  sigaction(SIGSEGV, &sa, &default_sa);
 
   // fibers
   staticArrayInit(fibers.L);
@@ -1609,12 +1612,11 @@ void initLibsheepyF(const char *progPath, initLibsheepyObjectP initF) {
   }
 
   // segfault signal
-  struct sigaction sa;
-  memset(&sa, 0, sizeof(struct sigaction));
+  struct sigaction sa = init0Var;
   sigemptyset(&sa.sa_mask);
   sa.sa_sigaction = segfault_sigaction;;
   sa.sa_flags   = SA_SIGINFO;;
-  sigaction(SIGSEGV, &sa, NULL);
+  sigaction(SIGSEGV, &sa, &default_sa);
 
   // fibers
   staticArrayInit(fibers.L);
@@ -1987,7 +1989,7 @@ time_t getCurrentUnixTime(void) {
  *
  */
 time_t strToUnixTime(const char *date, const char *format) {
-  struct tm tm;
+  struct tm tm = init0Var;;
   time_t r;
 
   // sanity checks
@@ -1995,8 +1997,6 @@ time_t strToUnixTime(const char *date, const char *format) {
     return(-1);
   }
 
-  memset(&tm, 0, sizeof tm);
-
   if ((strptime(date, format, &tm))) {
     r = mktime(&tm);
   }
diff --git a/src/libsheepy.h b/src/libsheepy.h
@@ -98,7 +98,7 @@
 
 // version accoring to the version package: Release.Major.minor.patch
 // https://noulin.net/version/file/README.md.html
-#define LIBSHEEPY_VERSION "2.2.6.3"
+#define LIBSHEEPY_VERSION "2.2.6.4"
 
 #ifndef SH_PREFIX
 #define SH_PREFIX(NAME) NAME