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| author | Rich Felker <dalias@aerifal.cx> | 2011-04-20 20:55:13 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-04-20 20:55:13 -0400 |
| commit | 4921ce08673d14e53b3931b8536238d944a2c1ce (patch) | |
| tree | c0a960a492beeddf7fc0a6b32d5cbc17bc6681a9 | |
| parent | f1ac8a28d8f3c93ef42c20460992f74822975f11 (diff) | |
| download | musl-4921ce08673d14e53b3931b8536238d944a2c1ce.tar.gz musl-4921ce08673d14e53b3931b8536238d944a2c1ce.tar.bz2 musl-4921ce08673d14e53b3931b8536238d944a2c1ce.tar.xz musl-4921ce08673d14e53b3931b8536238d944a2c1ce.zip | |
implement (nonstandard) forkpty
| -rw-r--r-- | include/pty.h | 1 | ||||
| -rw-r--r-- | src/misc/forkpty.c | 22 |
2 files changed, 23 insertions, 0 deletions
diff --git a/include/pty.h b/include/pty.h index 9444e5ec..46a99f47 100644 --- a/include/pty.h +++ b/include/pty.h @@ -9,6 +9,7 @@ extern "C" { #include <sys/ioctl.h> int openpty(int *, int *, char *, const struct termios *, const struct winsize *); +int forkpty(int *, char *, const struct termios *, const struct winsize *); #ifdef __cplusplus extern } diff --git a/src/misc/forkpty.c b/src/misc/forkpty.c new file mode 100644 index 00000000..2d1b0ae2 --- /dev/null +++ b/src/misc/forkpty.c @@ -0,0 +1,22 @@ +#include <pty.h> +#include <unistd.h> + +int forkpty(int *m, char *name, const struct termios *tio, const struct winsize *ws) +{ + int s; + pid_t pid; + + if (openpty(m, &s, name, tio, ws) < 0) return -1; + pid = fork(); + if (!pid) { + close(*m); + dup2(s, 0); + dup2(s, 1); + dup2(s, 2); + close(s); + return 0; + } + close(s); + if (pid < 0) close(*m); + return pid; +} |