diff options
Diffstat (limited to 'tmux.c')
| -rw-r--r-- | tmux.c | 24 |
1 files changed, 17 insertions, 7 deletions
@@ -194,12 +194,25 @@ makesocketpath(const char *label) return (path); } +void +setblocking(int fd, int state) +{ + int mode; + + if ((mode = fcntl(fd, F_GETFL)) != -1) { + if (!state) + mode |= O_NONBLOCK; + else + mode &= ~O_NONBLOCK; + fcntl(fd, F_SETFL, mode); + } +} + __dead void shell_exec(const char *shell, const char *shellcmd) { const char *shellname, *ptr; char *argv0; - int mode; ptr = strrchr(shell, '/'); if (ptr != NULL && *(ptr + 1) != '\0') @@ -212,12 +225,9 @@ shell_exec(const char *shell, const char *shellcmd) xasprintf(&argv0, "%s", shellname); setenv("SHELL", shell, 1); - if ((mode = fcntl(STDIN_FILENO, F_GETFL)) != -1) - fcntl(STDIN_FILENO, F_SETFL, mode & ~O_NONBLOCK); - if ((mode = fcntl(STDOUT_FILENO, F_GETFL)) != -1) - fcntl(STDOUT_FILENO, F_SETFL, mode & ~O_NONBLOCK); - if ((mode = fcntl(STDERR_FILENO, F_GETFL)) != -1) - fcntl(STDERR_FILENO, F_SETFL, mode & ~O_NONBLOCK); + setblocking(STDIN_FILENO, 1); + setblocking(STDOUT_FILENO, 1); + setblocking(STDERR_FILENO, 1); closefrom(STDERR_FILENO + 1); execl(shell, argv0, "-c", shellcmd, (char *) NULL); |