diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | ext/pty/pty.c | 47 |
2 files changed, 32 insertions, 20 deletions
@@ -1,3 +1,8 @@ +Wed Jul 26 18:14:19 2006 Nobuyoshi Nakada <[email protected]> + + * ext/pty/pty.c (getDevice): retry once after GC on failure. + [ruby-core:08282] + Wed Jul 26 17:43:20 2006 Minero Aoki <[email protected]> * ext/strscan/strscan.c (strscan_do_scan): diff --git a/ext/pty/pty.c b/ext/pty/pty.c index 5f73d286f7..ae5ee0b68a 100644 --- a/ext/pty/pty.c +++ b/ext/pty/pty.c @@ -295,37 +295,34 @@ pty_finalize_syswait(struct pty_info *info) return Qnil; } -#ifdef HAVE_OPENPTY +static int +get_device_once(int *master, int *slave, int fail) +{ +#if defined HAVE_OPENPTY /* * Use openpty(3) of 4.3BSD Reno and later, * or the same interface function. */ -static void -getDevice(int *master, int *slave) -{ if (openpty(master, slave, SlaveName, (struct termios *)0, (struct winsize *)0) == -1) { + if (!fail) return -1; rb_raise(rb_eRuntimeError, "openpty() failed"); } -} -#else /* HAVE_OPENPTY */ -#ifdef HAVE__GETPTY -static void -getDevice(int *master, int *slave) -{ + + return 0; +#elif defined HAVE__GETPTY char *name; if (!(name = _getpty(master, O_RDWR, 0622, 0))) { + if (!fail) return -1; rb_raise(rb_eRuntimeError, "_getpty() failed"); } *slave = open(name, O_RDWR); strcpy(SlaveName, name); -} + + return 0; #else /* HAVE__GETPTY */ -static void -getDevice(int *master, int *slave) -{ int i,j; #ifdef HAVE_PTSNAME @@ -350,7 +347,7 @@ getDevice(int *master, int *slave) *master = i; *slave = j; strcpy(SlaveName, pn); - return; + return 0; #if defined I_PUSH && !defined linux } } @@ -361,7 +358,8 @@ getDevice(int *master, int *slave) } close(i); } - rb_raise(rb_eRuntimeError, "can't get Master/Slave device"); + if (!fail) rb_raise(rb_eRuntimeError, "can't get Master/Slave device"); + return -1; #else char **p; char MasterName[DEVICELEN]; @@ -375,16 +373,25 @@ getDevice(int *master, int *slave) *slave = j; chown(SlaveName, getuid(), getgid()); chmod(SlaveName, 0622); - return; + return 0; } close(i); } } - rb_raise(rb_eRuntimeError, "can't get %s", SlaveName); + if (fail) rb_raise(rb_eRuntimeError, "can't get %s", SlaveName); + return -1; #endif +#endif +} + +static void +getDevice(int *master, int *slave) +{ + if (get_device_once(master, slave, 0)) { + rb_gc(); + get_device_once(master, slave, 1); + } } -#endif /* HAVE__GETPTY */ -#endif /* HAVE_OPENPTY */ static void freeDevice() |