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pty.c: portabilities

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* ext/pty/pty.c (no_mesg): define only if used.

* ext/pty/pty.c (pty_check): some flags may not be defined.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54820 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-04-30 01:09:06 +00:00
parent e46ba7abcc
commit 36717c8620
1 changed files with 19 additions and 11 deletions
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30
ext/pty/pty.c
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@ -211,6 +211,7 @@ establishShell(int argc, VALUE *argv, struct pty_info *info,
RB_GC_GUARD(carg.execarg_obj);
}
#if defined(HAVE_POSIX_OPENPT) || defined(HAVE_OPENPTY) || defined(HAVE_PTSNAME)
static int
no_mesg(char *slavedevice, int nomesg)
{
@ -219,6 +220,7 @@ no_mesg(char *slavedevice, int nomesg)
else
return 0;
}
#endif
static int
get_device_once(int *master, int *slave, char SlaveName[DEVICELEN], int nomesg, int fail)
@ -365,13 +367,13 @@ get_device_once(int *master, int *slave, char SlaveName[DEVICELEN], int nomesg,
#else
/* BSD */
int masterfd = -1, slavefd = -1;
const char *const *p;
int i;
char MasterName[DEVICELEN];
#if defined(__hpux)
static const char MasterDevice[] = "/dev/ptym/pty%s";
static const char SlaveDevice[] = "/dev/pty/tty%s";
static const char *const deviceNo[] = {
static const char deviceNo[][3] = {
"p0","p1","p2","p3","p4","p5","p6","p7",
"p8","p9","pa","pb","pc","pd","pe","pf",
"q0","q1","q2","q3","q4","q5","q6","q7",
@ -388,12 +390,11 @@ get_device_once(int *master, int *slave, char SlaveName[DEVICELEN], int nomesg,
"v8","v9","va","vb","vc","vd","ve","vf",
"w0","w1","w2","w3","w4","w5","w6","w7",
"w8","w9","wa","wb","wc","wd","we","wf",
0
};
#elif defined(_IBMESA) /* AIX/ESA */
static const char MasterDevice[] = "/dev/ptyp%s";
static const char SlaveDevice[] = "/dev/ttyp%s";
static const char *const deviceNo[] = {
static const char deviceNo[][3] = {
"00","01","02","03","04","05","06","07","08","09","0a","0b","0c","0d","0e","0f",
"10","11","12","13","14","15","16","17","18","19","1a","1b","1c","1d","1e","1f",
"20","21","22","23","24","25","26","27","28","29","2a","2b","2c","2d","2e","2f",
@ -410,12 +411,11 @@ get_device_once(int *master, int *slave, char SlaveName[DEVICELEN], int nomesg,
"d0","d1","d2","d3","d4","d5","d6","d7","d8","d9","da","db","dc","dd","de","df",
"e0","e1","e2","e3","e4","e5","e6","e7","e8","e9","ea","eb","ec","ed","ee","ef",
"f0","f1","f2","f3","f4","f5","f6","f7","f8","f9","fa","fb","fc","fd","fe","ff",
0
};
#else /* 4.2BSD */
static const char MasterDevice[] = "/dev/pty%s";
static const char SlaveDevice[] = "/dev/tty%s";
static const char *const deviceNo[] = {
static const char deviceNo[][3] = {
"p0","p1","p2","p3","p4","p5","p6","p7",
"p8","p9","pa","pb","pc","pd","pe","pf",
"q0","q1","q2","q3","q4","q5","q6","q7",
@ -424,15 +424,15 @@ get_device_once(int *master, int *slave, char SlaveName[DEVICELEN], int nomesg,
"r8","r9","ra","rb","rc","rd","re","rf",
"s0","s1","s2","s3","s4","s5","s6","s7",
"s8","s9","sa","sb","sc","sd","se","sf",
0
};
#endif
for (p = deviceNo; *p != NULL; p++) {
snprintf(MasterName, sizeof MasterName, MasterDevice, *p);
for (i = 0; i < numberof(deviceNo); i++) {
const char *const devno = deviceNo[i];
snprintf(MasterName, sizeof MasterName, MasterDevice, devno);
if ((masterfd = rb_cloexec_open(MasterName,O_RDWR,0)) >= 0) {
rb_update_max_fd(masterfd);
*master = masterfd;
snprintf(SlaveName, DEVICELEN, SlaveDevice, *p);
snprintf(SlaveName, DEVICELEN, SlaveDevice, devno);
if ((slavefd = rb_cloexec_open(SlaveName,O_RDWR,0)) >= 0) {
rb_update_max_fd(slavefd);
*slave = slavefd;
@ -674,9 +674,17 @@ pty_check(int argc, VALUE *argv, VALUE self)
VALUE pid, exc;
rb_pid_t cpid;
int status;
const int flag =
#ifdef WNOHANG
WNOHANG|
#endif
#ifdef WUNTRACED
WUNTRACED|
#endif
0;
rb_scan_args(argc, argv, "11", &pid, &exc);
cpid = rb_waitpid(NUM2PIDT(pid), &status, WNOHANG|WUNTRACED);
cpid = rb_waitpid(NUM2PIDT(pid), &status, flag);
if (cpid == -1 || cpid == 0) return Qnil;
if (!RTEST(exc)) return rb_last_status_get();