diff options
Diffstat (limited to 'pty.c')
| -rw-r--r-- | pty.c | 68 |
1 files changed, 53 insertions, 15 deletions
@@ -33,11 +33,16 @@ RCS_ID("$Id: pty.c,v 1.6 1994/05/31 12:32:44 mlschroe Exp $ FAU") #include "screen.h" #ifndef sun -#include <sys/ioctl.h> +# include <sys/ioctl.h> +#endif + +/* for solaris 2.1, Unixware (SVR4.2) and possibly others */ +#ifdef HAVE_SVR4_PTYS +# include <sys/stropts.h> #endif #if defined(sun) && defined(LOCKPTY) && !defined(TIOCEXCL) -#include <sys/ttold.h> +# include <sys/ttold.h> #endif #ifdef ISC @@ -62,22 +67,32 @@ RCS_ID("$Id: pty.c,v 1.6 1994/05/31 12:32:44 mlschroe Exp $ FAU") # define PTYRANGE1 "0123456789abcdef" #endif +/* SVR4 pseudo ttys don't seem to work with SCO-5 */ +#ifdef M_UNIX +# undef HAVE_SVR4_PTYS +#endif + extern int eff_uid; /* used for opening a new pty-pair: */ static char PtyName[32], TtyName[32]; -#if !(defined(sequent) || defined(_SEQUENT_) || defined(SVR4)) +#if !(defined(sequent) || defined(_SEQUENT_) || defined(HAVE_SVR4_PTYS)) # ifdef hpux static char PtyProto[] = "/dev/ptym/ptyXY"; static char TtyProto[] = "/dev/pty/ttyXY"; # else +# ifdef M_UNIX +static char PtyProto[] = "/dev/ptypXY"; +static char TtyProto[] = "/dev/ttypXY"; +# else static char PtyProto[] = "/dev/ptyXY"; static char TtyProto[] = "/dev/ttyXY"; +# endif # endif /* hpux */ #endif -static void initpty __P((int)); +static void initmaster __P((int)); /* * Open all ptys with O_NOCTTY, just to be on the safe side @@ -90,7 +105,7 @@ static void initpty __P((int)); /***************************************************************/ static void -initpty(f) +initmaster(f) int f; { #ifdef POSIX @@ -105,6 +120,24 @@ int f; #endif } +void +InitPty(f) +int f; +{ + if (f < 0) + return; +#if defined(I_PUSH) && defined(HAVE_SVR4_PTYS) && !defined(sgi) && !defined(linux) && !defined(__osf__) && !defined(M_UNIX) + if (ioctl(f, I_PUSH, "ptem")) + Panic(errno, "InitPty: cannot I_PUSH ptem"); + if (ioctl(f, I_PUSH, "ldterm")) + Panic(errno, "InitPty: cannot I_PUSH ldterm"); +# ifdef sun + if (ioctl(f, I_PUSH, "ttcompat")) + Panic(errno, "InitPty: cannot I_PUSH ttcompat"); +# endif +#endif +} + /***************************************************************/ #if defined(OSX) && !defined(PTY_DONE) @@ -116,7 +149,7 @@ char **ttyn; register int f; if ((f = open_controlling_pty(TtyName)) < 0) return -1; - initpty(f); + initmaster(f); *ttyn = TtyName; return f; #endif @@ -139,7 +172,7 @@ char **ttyn; #endif strncpy(PtyName, m, sizeof(PtyName)); strncpy(TtyName, s, sizeof(TtyName)); - initpty(f); + initmaster(f); *ttyn = TtyName; return f; } @@ -154,7 +187,7 @@ OpenPTY(ttyn) char **ttyn; { int f; - char *name; + char *name, *_getpty(); sigret_t (*sigcld)__P(SIGPROTOARG); /* @@ -167,7 +200,7 @@ char **ttyn; if (name == 0) return -1; - initpty(f); + initmaster(f); *ttyn = name; return f; } @@ -193,7 +226,7 @@ char **ttyn; return -1; } sprintf(TtyName, "/dev/ttyq%d", minor(buf.st_rdev)); - initpty(f); + initmaster(f); *ttyn = TtyName; return f; } @@ -201,7 +234,7 @@ char **ttyn; /***************************************************************/ -#if defined(SVR4) && !defined(PTY_DONE) +#if defined(HAVE_SVR4_PTYS) && !defined(PTY_DONE) #define PTY_DONE int OpenPTY(ttyn) @@ -209,11 +242,15 @@ char **ttyn; { register int f; char *m, *ptsname(); - int unlockpt __P((int)), grantpt __P((int)); + int unlockpt __P((int)), grantpt __P((int)), getpt __P((void)); sigret_t (*sigcld)__P(SIGPROTOARG); +#ifdef HAVE_GETPT + if ((f = getpt()) == -1) +#else strcpy(PtyName, "/dev/ptmx"); if ((f = open(PtyName, O_RDWR | O_NOCTTY)) == -1) +#endif return -1; /* @@ -229,7 +266,7 @@ char **ttyn; } signal(SIGCHLD, sigcld); strncpy(TtyName, m, sizeof(TtyName)); - initpty(f); + initmaster(f); *ttyn = TtyName; return f; } @@ -260,7 +297,7 @@ char **ttyn; close(f); return -1; } - initpty(f); + initmaster(f); # ifdef _IBMR2 if (aixhack >= 0) close(aixhack); @@ -321,7 +358,7 @@ char **ttyn; } } #endif - initpty(f); + initmaster(f); *ttyn = TtyName; return f; } @@ -329,3 +366,4 @@ char **ttyn; return -1; } #endif + |