X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/322b7dab59b98b5d8625d2cd29e48f1ce605f769..011ba6eaacfa50cc9871d0cfea34e8f0a7a5bc43:/src/process.c
diff --git a/src/process.c b/src/process.c
index 6bd168d884..a808832214 100644
--- a/src/process.c
+++ b/src/process.c
@@ -58,6 +58,17 @@ along with GNU Emacs. If not, see . */
#include
#endif /* HAVE_NET_IF_H */
+#if defined(HAVE_IFADDRS_H)
+/* Must be after net/if.h */
+#include
+
+/* We only use structs from this header when we use getifaddrs. */
+#if defined(HAVE_NET_IF_DL_H)
+#include
+#endif
+
+#endif
+
#ifdef NEED_BSDTTY
#include
#endif
@@ -245,7 +256,7 @@ static void create_pty (Lisp_Object);
/* If we support a window system, turn on the code to poll periodically
to detect C-g. It isn't actually used when doing interrupt input. */
-#ifdef HAVE_WINDOW_SYSTEM
+#if defined(HAVE_WINDOW_SYSTEM) && !defined(USE_ASYNC_EVENTS)
#define POLL_FOR_INPUT
#endif
@@ -1632,7 +1643,6 @@ create_process (Lisp_Object process, char **new_argv, Lisp_Object current_dir)
XPROCESS (process)->pty_flag = pty_flag;
XPROCESS (process)->status = Qrun;
- setup_process_coding_systems (process);
/* Delay interrupts until we have a chance to store
the new fork's pid in its process structure */
@@ -1652,7 +1662,7 @@ create_process (Lisp_Object process, char **new_argv, Lisp_Object current_dir)
sigaddset (&blocked, SIGHUP ); sigaction (SIGHUP , 0, &sighup_action );
#endif
#endif /* HAVE_WORKING_VFORK */
- sigprocmask (SIG_BLOCK, &blocked, &procmask);
+ pthread_sigmask (SIG_BLOCK, &blocked, &procmask);
FD_SET (inchannel, &input_wait_mask);
FD_SET (inchannel, &non_keyboard_wait_mask);
@@ -1667,6 +1677,10 @@ create_process (Lisp_Object process, char **new_argv, Lisp_Object current_dir)
processes to get their return values scrambled. */
XPROCESS (process)->pid = -1;
+ /* This must be called after the above line because it may signal an
+ error. */
+ setup_process_coding_systems (process);
+
BLOCK_INPUT;
{
@@ -1808,7 +1822,7 @@ create_process (Lisp_Object process, char **new_argv, Lisp_Object current_dir)
signal (SIGPIPE, SIG_DFL);
/* Stop blocking signals in the child. */
- sigprocmask (SIG_SETMASK, &procmask, 0);
+ pthread_sigmask (SIG_SETMASK, &procmask, 0);
if (pty_flag)
child_setup_tty (xforkout);
@@ -1900,7 +1914,7 @@ create_process (Lisp_Object process, char **new_argv, Lisp_Object current_dir)
#endif
#endif /* HAVE_WORKING_VFORK */
/* Stop blocking signals in the parent. */
- sigprocmask (SIG_SETMASK, &procmask, 0);
+ pthread_sigmask (SIG_SETMASK, &procmask, 0);
/* Now generate the error if vfork failed. */
if (pid < 0)
@@ -3557,46 +3571,53 @@ format; see the description of ADDRESS in `make-network-process'. */)
(void)
{
struct ifconf ifconf;
- struct ifreq *ifreqs = NULL;
- int ifaces = 0;
- int buf_size, s;
+ struct ifreq *ifreq;
+ void *buf = NULL;
+ ptrdiff_t buf_size = 512;
+ int s, i;
Lisp_Object res;
s = socket (AF_INET, SOCK_STREAM, 0);
if (s < 0)
return Qnil;
- again:
- ifaces += 25;
- buf_size = ifaces * sizeof (ifreqs[0]);
- ifreqs = (struct ifreq *)xrealloc(ifreqs, buf_size);
- if (!ifreqs)
+ do
{
- close (s);
- return Qnil;
- }
-
- ifconf.ifc_len = buf_size;
- ifconf.ifc_req = ifreqs;
- if (ioctl (s, SIOCGIFCONF, &ifconf))
- {
- close (s);
- return Qnil;
+ buf = xpalloc (buf, &buf_size, 1, INT_MAX, 1);
+ ifconf.ifc_buf = buf;
+ ifconf.ifc_len = buf_size;
+ if (ioctl (s, SIOCGIFCONF, &ifconf))
+ {
+ close (s);
+ xfree (buf);
+ return Qnil;
+ }
}
-
- if (ifconf.ifc_len == buf_size)
- goto again;
+ while (ifconf.ifc_len == buf_size);
close (s);
- ifaces = ifconf.ifc_len / sizeof (ifreqs[0]);
res = Qnil;
- while (--ifaces >= 0)
+ ifreq = ifconf.ifc_req;
+ while ((char *) ifreq < (char *) ifconf.ifc_req + ifconf.ifc_len)
{
- struct ifreq *ifq = &ifreqs[ifaces];
+ struct ifreq *ifq = ifreq;
+#ifdef HAVE_STRUCT_IFREQ_IFR_ADDR_SA_LEN
+#define SIZEOF_IFREQ(sif) \
+ ((sif)->ifr_addr.sa_len < sizeof (struct sockaddr) \
+ ? sizeof (*(sif)) : sizeof ((sif)->ifr_name) + (sif)->ifr_addr.sa_len)
+
+ int len = SIZEOF_IFREQ (ifq);
+#else
+ int len = sizeof (*ifreq);
+#endif
char namebuf[sizeof (ifq->ifr_name) + 1];
+ i += len;
+ ifreq = (struct ifreq *) ((char *) ifreq + len);
+
if (ifq->ifr_addr.sa_family != AF_INET)
continue;
+
memcpy (namebuf, ifq->ifr_name, sizeof (ifq->ifr_name));
namebuf[sizeof (ifq->ifr_name)] = 0;
res = Fcons (Fcons (build_string (namebuf),
@@ -3605,6 +3626,7 @@ format; see the description of ADDRESS in `make-network-process'. */)
res);
}
+ xfree (buf);
return res;
}
#endif /* SIOCGIFCONF */
@@ -3642,8 +3664,13 @@ static const struct ifflag_def ifflag_table[] = {
{ IFF_PROMISC, "promisc" },
#endif
#ifdef IFF_NOTRAILERS
+#ifdef NS_IMPL_COCOA
+ /* Really means smart, notrailers is obsolete */
+ { IFF_NOTRAILERS, "smart" },
+#else
{ IFF_NOTRAILERS, "notrailers" },
#endif
+#endif
#ifdef IFF_ALLMULTI
{ IFF_ALLMULTI, "allmulti" },
#endif
@@ -3696,6 +3723,10 @@ FLAGS is the current flags of the interface. */)
Lisp_Object elt;
int s;
int any = 0;
+#if (! (defined SIOCGIFHWADDR && defined HAVE_STRUCT_IFREQ_IFR_HWADDR) \
+ && defined HAVE_GETIFADDRS && defined LLADDR)
+ struct ifaddrs *ifap;
+#endif
CHECK_STRING (ifname);
@@ -3714,6 +3745,12 @@ FLAGS is the current flags of the interface. */)
const struct ifflag_def *fp;
int fnum;
+ /* If flags is smaller than int (i.e. short) it may have the high bit set
+ due to IFF_MULTICAST. In that case, sign extending it into
+ an int is wrong. */
+ if (flags < 0 && sizeof (rq.ifr_flags) < sizeof (flags))
+ flags = (unsigned short) rq.ifr_flags;
+
any = 1;
for (fp = ifflag_table; flags != 0 && fp->flag_sym; fp++)
{
@@ -3747,7 +3784,38 @@ FLAGS is the current flags of the interface. */)
p->contents[n] = make_number (((unsigned char *)&rq.ifr_hwaddr.sa_data[0])[n]);
elt = Fcons (make_number (rq.ifr_hwaddr.sa_family), hwaddr);
}
+#elif defined(HAVE_GETIFADDRS) && defined(LLADDR)
+ if (getifaddrs (&ifap) != -1)
+ {
+ Lisp_Object hwaddr = Fmake_vector (make_number (6), Qnil);
+ register struct Lisp_Vector *p = XVECTOR (hwaddr);
+ struct ifaddrs *it;
+
+ for (it = ifap; it != NULL; it = it->ifa_next)
+ {
+ struct sockaddr_dl *sdl = (struct sockaddr_dl*) it->ifa_addr;
+ unsigned char linkaddr[6];
+ int n;
+
+ if (it->ifa_addr->sa_family != AF_LINK
+ || strcmp (it->ifa_name, SSDATA (ifname)) != 0
+ || sdl->sdl_alen != 6)
+ continue;
+
+ memcpy (linkaddr, LLADDR(sdl), sdl->sdl_alen);
+ for (n = 0; n < 6; n++)
+ p->contents[n] = make_number (linkaddr[n]);
+
+ elt = Fcons (make_number (it->ifa_addr->sa_family), hwaddr);
+ break;
+ }
+ }
+#ifdef HAVE_FREEIFADDRS
+ freeifaddrs (ifap);
#endif
+
+#endif /* HAVE_GETIFADDRS && LLADDR */
+
res = Fcons (elt, res);
elt = Qnil;
@@ -5093,6 +5161,9 @@ read_process_output (Lisp_Object proc, register int channel)
p->decoding_carryover = coding->carryover_bytes;
}
if (SBYTES (text) > 0)
+ /* FIXME: It's wrong to wrap or not based on debug-on-error, and
+ sometimes it's simply wrong to wrap (e.g. when called from
+ accept-process-output). */
internal_condition_case_1 (read_process_output_call,
Fcons (outstream,
Fcons (proc, Fcons (text, Qnil))),