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backtrace: show error if pipe fails YAZ-805
author
Adam Dickmeiss
<adam@indexdata.dk>
Wed, 10 Dec 2014 10:35:35 +0000
(11:35 +0100)
committer
Adam Dickmeiss
<adam@indexdata.dk>
Wed, 10 Dec 2014 10:35:35 +0000
(11:35 +0100)
src/backtrace.c
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diff --git
a/src/backtrace.c
b/src/backtrace.c
index
76e890f
..
6bc22bf
100644
(file)
--- a/
src/backtrace.c
+++ b/
src/backtrace.c
@@
-54,11
+54,16
@@
static void yaz_invoke_backtrace(char *buf, int buf_sz)
sz = backtrace(backtrace_info, sz);
backtrace_symbols_fd(backtrace_info, sz, fd);
- pipe(fds);
+ if (pipe(fds) == -1)
+ {
+ const char *cp = "backtrace: pipe failed\n";
+ write(fd, cp, strlen(cp));
+ return;
+ }
pid = fork();
if (pid == (pid_t) (-1))
{ /* error */
- const char *cp = "backtrace: fork failure";
+ const char *cp = "backtrace: fork failure\n";
write(fd, cp, strlen(cp));
}
else if (pid == 0)