DeforaNetworks/zzuf
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* Fix a problem with filedescriptor 17 being reused for other purposes than

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the debugging channel.
  * Print signal name, eg. SIGABRT instead of just "signal 6".
This commit is contained in:
Sam Hocevar
2007-01-14 01:03:44 +00:00
committed by sam
parent 15a6677225
commit 2e7dfd3c70
1 changed files with 41 additions and 4 deletions
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45
src/zzuf.c
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@@ -50,6 +50,7 @@ static void spawn_children(void);
static void clean_children(void);
static void read_children(void);
static char const *sig2str(int);
static char *merge_regex(char *, char *);
static char *merge_file(char *, char *);
static void set_environment(char const *);
@@ -480,11 +481,16 @@ static void spawn_children(void)
setrlimit(RLIMIT_AS, &rlim);
}
for(j = 0; j < 3; j++)
/* We loop in reverse order so that files[0] is done last,
* just in case one of the other dup2()ed fds had the value */
for(j = 3; j--; )
{
close(fd[j][0]);
dup2(fd[j][1], files[j]);
close(fd[j][1]);
if(fd[j][1] != files[j])
{
dup2(fd[j][1], files[j]);
close(fd[j][1]);
}
}
/* Set environment variables */
@@ -588,8 +594,9 @@ static void clean_children(void)
&& !(WTERMSIG(status) == SIGTERM
&& child_list[i].status == STATUS_SIGTERM))
{
fprintf(stdout, "zzuf[seed=%i]: signal %i%s\n",
fprintf(stdout, "zzuf[seed=%i]: signal %i%s%s\n",
child_list[i].seed, WTERMSIG(status),
sig2str(WTERMSIG(status)),
(WTERMSIG(status) == SIGKILL && maxmem >= 0) ?
" (memory exceeded?)" : "");
crashes++;
@@ -677,6 +684,36 @@ static void read_children(void)
}
}
static char const *sig2str(int signum)
{
switch(signum)
{
case SIGABRT: return " (SIGABRT)";
case SIGFPE: return " (SIGFPE)";
case SIGILL: return " (SIGILL)";
case SIGQUIT: return " (SIGQUIT)";
case SIGSEGV: return " (SIGSEGV)";
case SIGTRAP: return " (SIGTRAP)";
#ifdef SIGSYS
case SIGSYS: return " (SIGSYS)";
#endif
#ifdef SIGEMT
case SIGEMT: return " (SIGEMT)";
#endif
#ifdef SIGBUS
case SIGBUS: return " (SIGBUS)";
#endif
#ifdef SIGXCPU
case SIGXCPU: return " (SIGXCPU)";
#endif
#ifdef SIGXFSZ
case SIGXFSZ: return " (SIGXFSZ)";
#endif
}
return "";
}
static void set_environment(char const *progpath)
{
char *libpath, *tmp;