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-rw-r--r--src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc b/src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc
index 27c2e994..6e3d5e4b 100644
--- a/src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc
+++ b/src/client/linux/minidump_writer/linux_dumper_unittest_helper.cc
@@ -59,9 +59,9 @@ void *thread_function(void *data) {
}
int main(int argc, char *argv[]) {
- if (argc < 2) {
+ if (argc < 3) {
fprintf(stderr,
- "usage: linux_dumper_unittest_helper <pipe fd> <# of threads\n");
+ "usage: linux_dumper_unittest_helper <pipe fd> <# of threads>\n");
return 1;
}
int pipefd = atoi(argv[1]);
@@ -79,7 +79,10 @@ int main(int argc, char *argv[]) {
}
// Signal parent that this process has started all threads.
uint8_t byte = 1;
- write(pipefd, &byte, sizeof(byte));
+ if (write(pipefd, &byte, sizeof(byte)) != sizeof(byte)) {
+ perror("ERROR: parent notification failed");
+ return 1;
+ }
thread_function(NULL);
return 0;
}