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comparison src/sysdep.c @ 251:677f6a0ee643 r20-5b24

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Import from CVS: tag r20-5b24
author cvs
date Mon, 13 Aug 2007 10:19:59 +0200
parents 41f2f0e326e9
children 084402c475ba
comparison
equal deleted inserted replaced
250:f385a461c9aa 251:677f6a0ee643
883 883
884 /* ------------------------------------------------------ */ 884 /* ------------------------------------------------------ */
885 /* SIGIO control */ 885 /* SIGIO control */
886 /* ------------------------------------------------------ */ 886 /* ------------------------------------------------------ */
887 887
888 #ifdef SIGIO 888 #if defined(SIGIO) && !defined(BROKEN_SIGIO)
889 889
890 static void 890 static void
891 init_sigio_on_device (struct device *d) 891 init_sigio_on_device (struct device *d)
892 { 892 {
893 int filedesc = DEVICE_INFD (d); 893 int filedesc = DEVICE_INFD (d);
1657 { 1657 {
1658 #ifdef HAVE_TTY 1658 #ifdef HAVE_TTY
1659 if (DEVICE_TTY_P (d)) 1659 if (DEVICE_TTY_P (d))
1660 tty_init_sys_modes_on_device (d); 1660 tty_init_sys_modes_on_device (d);
1661 #endif 1661 #endif
1662 #ifdef SIGIO 1662 #if defined(SIGIO) && !defined(BROKEN_SIGIO)
1663 if (!DEVICE_STREAM_P (d)) 1663 if (!DEVICE_STREAM_P (d))
1664 { 1664 {
1665 init_sigio_on_device (d); 1665 init_sigio_on_device (d);
1666 request_sigio_on_device (d); 1666 request_sigio_on_device (d);
1667 } 1667 }
1868 tty_reset_sys_modes_on_device (d); 1868 tty_reset_sys_modes_on_device (d);
1869 else 1869 else
1870 #endif 1870 #endif
1871 if (DEVICE_STREAM_P (d)) 1871 if (DEVICE_STREAM_P (d))
1872 fflush (CONSOLE_STREAM_DATA (XCONSOLE (DEVICE_CONSOLE (d)))->outfd); 1872 fflush (CONSOLE_STREAM_DATA (XCONSOLE (DEVICE_CONSOLE (d)))->outfd);
1873 #ifdef SIGIO 1873 #if defined(SIGIO) && !defined(BROKEN_SIGIO)
1874 if (!DEVICE_STREAM_P (d)) 1874 if (!DEVICE_STREAM_P (d))
1875 { 1875 {
1876 unrequest_sigio_on_device (d); 1876 unrequest_sigio_on_device (d);
1877 reset_sigio_on_device (d); 1877 reset_sigio_on_device (d);
1878 } 1878 }
2117 * data_start isn't defined. We take the address of environ, which 2117 * data_start isn't defined. We take the address of environ, which
2118 * is known to live at or near the start of the system crt0.c, and 2118 * is known to live at or near the start of the system crt0.c, and
2119 * we don't sweat the handful of bytes that might lose. 2119 * we don't sweat the handful of bytes that might lose.
2120 */ 2120 */
2121 extern char **environ; 2121 extern char **environ;
2122 2122 #ifdef HEAP_IN_DATA
2123 extern char* static_heap_base;
2124 if (!initialized)
2125 return static_heap_base;
2126 #endif
2123 return((char *) &environ); 2127 return((char *) &environ);
2124 #else 2128 #else
2125 extern int data_start; 2129 extern int data_start;
2126 return ((char *) &data_start); 2130 return ((char *) &data_start);
2127 #endif /* ORDINARY_LINK */ 2131 #endif /* ORDINARY_LINK */
2206 break; 2210 break;
2207 2211
2208 hostname_size <<= 1; 2212 hostname_size <<= 1;
2209 hostname = (char *) alloca (hostname_size); 2213 hostname = (char *) alloca (hostname_size);
2210 } 2214 }
2211 # if defined( HAVE_SOCKETS) && !defined(__CYGWIN32__) 2215 # if defined( HAVE_SOCKETS) && !defined(BROKEN_CYGWIN)
2212 /* Turn the hostname into the official, fully-qualified hostname. 2216 /* Turn the hostname into the official, fully-qualified hostname.
2213 Don't do this if we're going to dump; this can confuse system 2217 Don't do this if we're going to dump; this can confuse system
2214 libraries on some machines and make the dumped emacs core dump. */ 2218 libraries on some machines and make the dumped emacs core dump. */
2215 # ifndef CANNOT_DUMP 2219 # ifndef CANNOT_DUMP
2216 if (initialized) 2220 if (initialized)