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Znort 987 2011-08-11 13:36:28 +02:00 committed by Con Kolivas
parent 83fa2158d9
commit 353789da0b
1 changed files with 61 additions and 61 deletions
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122
main.c
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@ -600,13 +600,13 @@ static struct opt_table opt_config_table[] = {
#if !defined(WIN32) #if !defined(WIN32)
OPT_WITH_ARG("--monitor|-m", OPT_WITH_ARG("--monitor|-m",
opt_set_charp, NULL, &opt_stderr_cmd, opt_set_charp, NULL, &opt_stderr_cmd,
"Use custom pipe cmd for output messages"), "Use custom pipe cmd for output messages"),
#endif // !WIN32 #endif // !WIN32
OPT_WITHOUT_ARG("--text-only|-T", OPT_WITHOUT_ARG("--text-only|-T",
opt_set_invbool, &use_curses, opt_set_invbool, &use_curses,
"Disable ncurses formatted screen output"), "Disable ncurses formatted screen output"),
OPT_WITH_ARG("--url|-o", OPT_WITH_ARG("--url|-o",
set_url, opt_show_charp, &trpc_url, set_url, opt_show_charp, &trpc_url,
"URL for bitcoin JSON-RPC server"), "URL for bitcoin JSON-RPC server"),
@ -3715,67 +3715,67 @@ out:
#if !defined(WIN32) #if !defined(WIN32)
static void fork_monitor() static void fork_monitor()
{ {
// Make a pipe: [readFD, writeFD] // Make a pipe: [readFD, writeFD]
int pfd[2]; int pfd[2];
int r = pipe(pfd); int r = pipe(pfd);
if (r<0) { if (r<0) {
perror("pipe - failed to create pipe for --monitor"); perror("pipe - failed to create pipe for --monitor");
exit(1); exit(1);
} }
// Make stderr write end of pipe // Make stderr write end of pipe
fflush(stderr); fflush(stderr);
r = dup2(pfd[1], 2); r = dup2(pfd[1], 2);
if (r<0) { if (r<0) {
perror("dup2 - failed to alias stderr to write end of pipe for --monitor"); perror("dup2 - failed to alias stderr to write end of pipe for --monitor");
exit(1); exit(1);
} }
r = close(pfd[1]); r = close(pfd[1]);
if (r<0) { if (r<0) {
perror("close - failed to close write end of pipe for --monitor"); perror("close - failed to close write end of pipe for --monitor");
exit(1); exit(1);
} }
// Don't let a dying monitor kill the main process // Don't allow a dying monitor to kill the main process
sighandler_t sr = signal(SIGPIPE, SIG_IGN); sighandler_t sr = signal(SIGPIPE, SIG_IGN);
if (SIG_ERR==sr) { if (SIG_ERR==sr) {
perror("signal - failed to edit signal mask for --monitor"); perror("signal - failed to edit signal mask for --monitor");
exit(1); exit(1);
} }
// Fork a child process // Fork a child process
r = fork(); r = fork();
if (r<0) { if (r<0) {
perror("fork - failed to fork child process for --monitor"); perror("fork - failed to fork child process for --monitor");
exit(1); exit(1);
} }
// In child, launch command // In child, launch command
if (0==r) { if (0==r) {
// Make stdin read end of pipe // Make stdin read end of pipe
r = dup2(pfd[0], 0); r = dup2(pfd[0], 0);
if (r<0) { if (r<0) {
perror("dup2 - in child, failed to alias read end of pipe to stdin for --monitor"); perror("dup2 - in child, failed to alias read end of pipe to stdin for --monitor");
exit(1); exit(1);
} }
close(pfd[0]); close(pfd[0]);
if (r<0) { if (r<0) {
perror("close - in child, failed to close read end of pipe for --monitor"); perror("close - in child, failed to close read end of pipe for --monitor");
exit(1); exit(1);
} }
// Launch user specified command // Launch user specified command
execl("/bin/bash", "/bin/bash", "-c", opt_stderr_cmd, (char*)NULL); execl("/bin/bash", "/bin/bash", "-c", opt_stderr_cmd, (char*)NULL);
perror("execl - in child failed to exec user specified command for --monitor"); perror("execl - in child failed to exec user specified command for --monitor");
exit(1); exit(1);
} }
// In parent, clean up unused fds // In parent, clean up unused fds
r = close(pfd[0]); r = close(pfd[0]);
if (r<0) { if (r<0) {
perror("close - failed to close read end of pipe for --monitor"); perror("close - failed to close read end of pipe for --monitor");
exit(1); exit(1);
} }
} }
#endif // !WIN32 #endif // !WIN32
@ -3933,8 +3933,8 @@ int main (int argc, char *argv[])
#endif #endif
#if !defined(WIN32) #if !defined(WIN32)
if (opt_stderr_cmd) if (opt_stderr_cmd)
fork_monitor(); fork_monitor();
#endif // !WIN32 #endif // !WIN32
mining_threads = opt_n_threads + gpu_threads; mining_threads = opt_n_threads + gpu_threads;