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splex
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Fix AIX support

This commit is contained in:
Marc André Tanner 2014-07-07 22:33:05 +02:00
parent d23c9982c7
commit 6df4421e6c
1 changed files with 12 additions and 22 deletions
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34
forkpty-aix.c
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@ -17,23 +17,13 @@
#include <sys/types.h> #include <sys/types.h>
#include <sys/ioctl.h> #include <sys/ioctl.h>
#include <fcntl.h> #include <fcntl.h>
#include <stdlib.h> #include <stdlib.h>
#include <stropts.h> #include <stropts.h>
#include <unistd.h> #include <unistd.h>
#include <paths.h> #include <paths.h>
/* Fatal errors. */ pid_t forkpty(int *master, char *name, struct termios *tio, struct winsize *ws)
#ifdef NDEBUG
#define debug(format, args...)
#else
#define debug eprint
#endif
#define fatal(msg) debug("%s: %s", __func__, msg);
pid_t
forkpty(int *master, char *name, struct termios *tio, struct winsize *ws)
{ {
int slave, fd; int slave, fd;
char *path; char *path;
@ -41,7 +31,7 @@ forkpty(int *master, char *name, struct termios *tio, struct winsize *ws)
struct termios tio2; struct termios tio2;
if ((*master = open("/dev/ptc", O_RDWR|O_NOCTTY)) == -1) if ((*master = open("/dev/ptc", O_RDWR|O_NOCTTY)) == -1)
return (-1); return -1;
if ((path = ttyname(*master)) == NULL) if ((path = ttyname(*master)) == NULL)
goto out; goto out;
@ -61,47 +51,47 @@ forkpty(int *master, char *name, struct termios *tio, struct winsize *ws)
} }
if (setsid() < 0) if (setsid() < 0)
fatal("setsid"); return -1;
fd = open(_PATH_TTY, O_RDWR|O_NOCTTY); fd = open(_PATH_TTY, O_RDWR|O_NOCTTY);
if (fd >= 0) if (fd >= 0)
fatal("open succeeded (failed to disconnect)"); return -1;
fd = open(path, O_RDWR); fd = open(path, O_RDWR);
if (fd < 0) if (fd < 0)
fatal("open failed"); return -1;
close(fd); close(fd);
fd = open("/dev/tty", O_WRONLY); fd = open("/dev/tty", O_WRONLY);
if (fd < 0) if (fd < 0)
fatal("open failed"); return -1;
close(fd); close(fd);
if (tcgetattr(slave, &tio2) != 0) if (tcgetattr(slave, &tio2) != 0)
fatal("tcgetattr failed"); return -1;
if (tio != NULL) if (tio != NULL)
memcpy(tio2.c_cc, tio->c_cc, sizeof tio2.c_cc); memcpy(tio2.c_cc, tio->c_cc, sizeof tio2.c_cc);
tio2.c_cc[VERASE] = '\177'; tio2.c_cc[VERASE] = '\177';
if (tcsetattr(slave, TCSAFLUSH, &tio2) == -1) if (tcsetattr(slave, TCSAFLUSH, &tio2) == -1)
fatal("tcsetattr failed"); return -1;
if (ioctl(slave, TIOCSWINSZ, ws) == -1) if (ioctl(slave, TIOCSWINSZ, ws) == -1)
fatal("ioctl failed"); return -1;
dup2(slave, 0); dup2(slave, 0);
dup2(slave, 1); dup2(slave, 1);
dup2(slave, 2); dup2(slave, 2);
if (slave > 2) if (slave > 2)
close(slave); close(slave);
return (0); return 0;
} }
close(slave); close(slave);
return (pid); return pid;
out: out:
if (*master != -1) if (*master != -1)
close(*master); close(*master);
if (slave != -1) if (slave != -1)
close(slave); close(slave);
return (-1); return -1;
} }