* syscalls.cc (system): Strip signal considerations from here so that they are

not inherited by a child process.
* spawn.cc (spawn_guts): Handle system() signal stuff here.
* winsup.h (_P_SYSTEM): Define.

1 files changed, 453 insertions, 0 deletions

diff --git a/winsup/cygwin/devices.cc b/winsup/cygwin/devices.cc
new file mode 100644
index 000000000..9972c644a
--- /dev/null
+++ b/winsup/cygwin/devices.cc
@@ -0,0 +1,453 @@
+/* ANSI-C code produced by gperf version 2.7.2 */
+/* Command-line: gperf -c --key-positions=5-8,1-2,9-10 -r -t -C -E -T -L ANSI-C -Hdevhash -Ndevice::lookup -Z devstring -7 -G /cygnus/src/uberbaum/winsup/cygwin/devices.gperf  */
+#include "winsup.h"
+#include <sys/types.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include "devices.h"
+#include "sys/cygwin.h"
+#include "tty.h"
+#include "pinfo.h"
+#undef __GNUC__
+static unsigned int devhash (const char *, unsigned)
+  __attribute__ ((regparm (2)));
+enum
+  {
+    TOTAL_KEYWORDS = 54,
+    MIN_WORD_LENGTH = 5,
+    MAX_WORD_LENGTH = 14,
+    MIN_HASH_VALUE = 131,
+    MAX_HASH_VALUE = 358
+  };
+
+/* maximum key range = 228, duplicates = 0 */
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static unsigned int
+devhash (register const char *str, register unsigned int len)
+{
+  static const unsigned short asso_values[] =
+    {
+      359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
+      359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
+      359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
+      359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
+      359, 359, 359, 359, 359, 359, 359,  60, 359, 359,
+      359, 359, 359, 359, 359, 359, 359, 359,  62, 359,
+      359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
+      359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
+      359, 359, 359,  15, 359, 359, 359, 359, 359, 359,
+      359, 359, 359, 359, 359, 359, 359,   0,   2,  46,
+       42,  50,   3,   4,  36,  15,  10,  41,  61,  13,
+       26,  30,  52,  57,  45,  27,  59,  39,  51,  38,
+       32,  18,  14, 359, 359, 359, 359, 359
+    };
+  register int hval = len;
+
+  switch (hval)
+    {
+      default:
+      case 10:
+        hval += asso_values[(unsigned) cyg_tolower (str[9])];
+      case 9:
+        hval += asso_values[(unsigned) cyg_tolower (str[8])];
+      case 8:
+        hval += asso_values[(unsigned) cyg_tolower (str[7])];
+      case 7:
+        hval += asso_values[(unsigned) cyg_tolower (str[6])];
+      case 6:
+        hval += asso_values[(unsigned) cyg_tolower (str[5])];
+      case 5:
+        hval += asso_values[(unsigned) cyg_tolower (str[4])];
+      case 4:
+      case 3:
+      case 2:
+        hval += asso_values[(unsigned) cyg_tolower (str[1])];
+      case 1:
+        hval += asso_values[(unsigned) cyg_tolower (str[0])];
+        break;
+    }
+  return hval;
+}
+
+static NO_COPY const struct device wordlist[] =
+  {
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""},
+    {":bad:", FH_BAD, ":bad:", 0, 0, 0, 0},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""},
+    {"/dev/fd", FH_FLOPPY, "\\Device\\Floppy%d", 0, 15},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {"/dev/fifo", FH_FIFO, "\\dev\\fifo", 0, 0, 0, 0},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {"/dev/sr", FH_CDROM, "\\Device\\CdRom%d", 0, 15},
+    {""}, {""}, {""}, {""},
+    {"/dev/mem", FH_MEM, "\\dev\\mem", 0, 0, 0, 0},
+    {""},
+    {"/dev/hda", FH_SDA, "\\Device\\Harddisk%d\\Partition%d", 1, 16, -1},
+    {""},
+    {"/dev/hdb", FH_SDB, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 15},
+    {"/dev/hdf", FH_SDF, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 79},
+    {"/dev/hdg", FH_SDG, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 95},
+    {""}, {""},
+    {"/dev/st", FH_TAPE, "\\Device\\Tape%d", 0, 127},
+    {""}, {""},
+    {"/dev/hdj", FH_SDJ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 143},
+    {"/dev/com", FH_SERIAL, "\\.\\com%d", 1, 99},
+    {""},
+    {"/dev/hdm", FH_SDM, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 191},
+    {"/dev/hdz", FH_SDZ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 399},
+    {"/dev/hdi", FH_SDI, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 127},
+    {""}, {""},
+    {"/dev/hdy", FH_SDY, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 383},
+    {""}, {""}, {""}, {""}, {""}, {""}, {""},
+    {"/dev/hdn", FH_SDN, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 207},
+    {"/dev/hds", FH_SDS, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 287},
+    {""}, {""},
+    {"/dev/hdo", FH_SDO, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 223},
+    {""},
+    {"/dev/hdx", FH_SDX, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 367},
+    {""},
+    {"/dev/nst", FH_NTAPE, "\\Device\\Tape%d", 0, 127},
+    {""},
+    {"/dev/hdh", FH_SDH, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 111},
+    {"/dev/scd", FH_CDROM, "\\Device\\CdRom%d", 0, 15},
+    {"/dev/hdw", FH_SDW, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 351},
+    {"/dev/hdu", FH_SDU, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 319},
+    {"/dev/kmem", FH_KMEM, "\\dev\\mem", 0, 0, 0, 0},
+    {"/dev/hdk", FH_SDK, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 159},
+    {"/dev/hdd", FH_SDD, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 47},
+    {"/dev/dsp", FH_OSS_DSP, "\\dev\\dsp", 0, 0, 0, 0},
+    {""},
+    {"/dev/hdr", FH_SDR, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 271},
+    {"/dev/hdc", FH_SDC, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 31},
+    {""}, {""}, {""},
+    {"/dev/hde", FH_SDE, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 63},
+    {"/dev/hdv", FH_SDV, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 335},
+    {"/dev/hdp", FH_SDP, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 239},
+    {""}, {""}, {""}, {""},
+    {"/dev/hdq", FH_SDQ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 255  /* FIXME 8 bit lunacy */},
+    {"/dev/tty", FH_TTY, "\\dev\\tty", 0, 0, 0, 0},
+    {"/dev/hdt", FH_SDT, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 303},
+    {""},
+    {"/dev/hdl", FH_SDL, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 175},
+    {"/dev/zero", FH_ZERO, "\\dev\\zero", 0, 0, 0, 0},
+    {""}, {""}, {""}, {""},
+    {"/dev/conin", FH_CONIN, "conin", 0, 0, 0, 0},
+    {"/dev/random", FH_RANDOM, "\\dev\\random", 0, 0, 0, 0},
+    {""}, {""}, {""},
+    {"/dev/ttym", FH_TTYM, "\\dev\\ttym", 0, 255, 0, 0},
+    {""},
+    {"/dev/ttyS", FH_SERIAL, "\\.\\com%d", 0, 99, -1},
+    {""}, {""},
+    {"/dev/windows", FH_WINDOWS, "\\dev\\windows", 0, 0, 0, 0},
+    {"/dev/urandom", FH_URANDOM, "\\dev\\urandom", 0, 0, 0, 0},
+    {"/dev/ptmx", FH_PTYM, "\\dev\\ptmx", 0, 0, 0, 0},
+    {""}, {""}, {""}, {""}, {""},
+    {"/dev/console", FH_CONSOLE, "\\dev\\console", 0, 0, 0, 0},
+    {"/dev/ttys", FH_TTYS, "\\dev\\tty%d", 0, 255, 0, 0},
+    {""}, {""}, {""}, {""}, {""},
+    {"/dev/pipe", FH_PIPE, "\\dev\\pipe", 0, 0, 0, 0},
+    {""}, {""}, {""},
+    {"/dev/conout", FH_CONOUT, "conout", 0, 0, 0, 0},
+    {"/dev/rawdrive", FH_RAWDRIVE, "\\DosDevices\\%c:", 0, 0, 0, 0},
+    {""}, {""}, {""}, {""}, {""}, {""},
+    {"/dev/clipboard", FH_CLIPBOARD, "\\dev\\clipboard", 0, 0, 0, 0},
+    {""}, {""}, {""}, {""},
+    {"/dev/port", FH_PORT, "\\dev\\port", 0, 0, 0, 0},
+    {"/dev/null", FH_NULL, "nul", 0, 0, 0, 0}
+  };
+
+static const device cygdrive_dev_storage =
+  {"/cygdrive", FH_CYGDRIVE, "/cygdrive", 0, 0, 0, 0};
+
+static const device fs_dev_storage =
+  {"", FH_FS, "", 0, 0, 0, 0};
+
+static const device proc_dev_storage =
+  {"", FH_PROC, "", 0, 0, 0, 0};
+
+static const device registry_dev_storage =
+  {"", FH_REGISTRY, "", 0, 0, 0, 0};
+
+static const device process_dev_storage =
+  {"", FH_PROCESS, "", 0, 0, 0, 0};
+
+static const device tcp_dev_storage =
+  {"/dev/inet/tcp", FH_TCP, "", 0, 0, 0, 0};
+
+static const device udp_dev_storage =
+  {"/dev/inet/udp", FH_UCP, "", 0, 0, 0, 0};
+
+static const device icmp_dev_storage =
+  {"/dev/inet/icmp", FH_ICMP, "", 0, 0, 0, 0};
+
+static const device unix_dev_storage =
+  {"/dev/inet/unix", FH_UNIX, "", 0, 0, 0, 0};
+
+static const device stream_dev_storage =
+  {"/dev/inet/stream", FH_STREAM, "", 0, 0, 0, 0};
+
+static const device dgram_dev_storage =
+  {"/dev/inet/dgram", FH_DGRAM, "", 0, 0, 0, 0};
+
+static const device piper_dev_storage =
+  {"", FH_PIPER, "", 0, 0, 0, 0};
+
+static const device pipew_dev_storage =
+  {"", FH_PIPEW, "", 0, 0, 0, 0};
+
+static const device dev_fs =
+  {"", FH_FS, "", 0, 0, 0, 0};
+const device *bad_dev = wordlist + 131;
+const device *cdrom_dev = wordlist + 241;
+const device *cdrom_dev1 = wordlist + 285;
+const device *clipboard_dev = wordlist + 352;
+const device *conin_dev = wordlist + 315;
+const device *conout_dev = wordlist + 344;
+const device *console_dev = wordlist + 333;
+const device *cygdrive_dev = &cygdrive_dev_storage;
+const device *dgram_dev = &dgram_dev_storage;
+const device *fifo_dev = wordlist + 222;
+const device *floppy_dev = wordlist + 214;
+const device *fs_dev = &fs_dev_storage;
+const device *icmp_dev = &icmp_dev_storage;
+const device *kmem_dev = wordlist + 288;
+const device *mem_dev = wordlist + 246;
+const device *ntape_dev = wordlist + 282;
+const device *null_dev = wordlist + 358;
+const device *oss_dsp_dev = wordlist + 291;
+const device *pipe_dev = wordlist + 340;
+const device *piper_dev = &piper_dev_storage;
+const device *pipew_dev = &pipew_dev_storage;
+const device *port_dev = wordlist + 357;
+const device *proc_dev = &proc_dev_storage;
+const device *process_dev = &process_dev_storage;
+const device *ptym_dev = wordlist + 327;
+const device *random_dev = wordlist + 316;
+const device *rawdrive_dev = wordlist + 345;
+const device *registry_dev = &registry_dev_storage;
+const device *sda_dev = wordlist + 248;
+const device *sdb_dev = wordlist + 250;
+const device *sdc_dev = wordlist + 294;
+const device *sdd_dev = wordlist + 290;
+const device *sde_dev = wordlist + 298;
+const device *sdf_dev = wordlist + 251;
+const device *sdg_dev = wordlist + 252;
+const device *sdh_dev = wordlist + 284;
+const device *sdi_dev = wordlist + 263;
+const device *sdj_dev = wordlist + 258;
+const device *sdk_dev = wordlist + 289;
+const device *sdl_dev = wordlist + 309;
+const device *sdm_dev = wordlist + 261;
+const device *sdn_dev = wordlist + 274;
+const device *sdo_dev = wordlist + 278;
+const device *sdp_dev = wordlist + 300;
+const device *sdq_dev = wordlist + 305;
+const device *sdr_dev = wordlist + 293;
+const device *sds_dev = wordlist + 275;
+const device *sdt_dev = wordlist + 307;
+const device *sdu_dev = wordlist + 287;
+const device *sdv_dev = wordlist + 299;
+const device *sdw_dev = wordlist + 286;
+const device *sdx_dev = wordlist + 280;
+const device *sdy_dev = wordlist + 266;
+const device *sdz_dev = wordlist + 262;
+const device *serial_dev = wordlist + 259;
+const device *serial_dev1 = wordlist + 322;
+const device *stream_dev = &stream_dev_storage;
+const device *tape_dev = wordlist + 255;
+const device *tcp_dev = &tcp_dev_storage;
+const device *tty_dev = wordlist + 306;
+const device *ttym_dev = wordlist + 320;
+const device *ttys_dev = wordlist + 334;
+const device *udp_dev = &udp_dev_storage;
+const device *unix_dev = &unix_dev_storage;
+const device *urandom_dev = wordlist + 326;
+const device *windows_dev = wordlist + 325;
+const device *zero_dev = wordlist + 310;
+
+const device *unit_devices[] =
+{
+  wordlist + 241 /* cdrom */,
+  wordlist + 259 /* serial */,
+  wordlist + 320 /* ttym */,
+  wordlist + 334 /* ttys */,
+  wordlist + 214 /* floppy */,
+  &tcp_dev_storage /* tcp */,
+  wordlist + 345 /* rawdrive */,
+  wordlist + 255 /* tape */
+};
+
+const device *uniq_devices[] = 
+{
+  wordlist + 131 /* bad */,
+  &fs_dev_storage /* fs */,
+  &process_dev_storage /* process */,
+  &registry_dev_storage /* registry */,
+  &proc_dev_storage /* proc */,
+  wordlist + 222 /* fifo */,
+  &pipew_dev_storage /* pipew */,
+  &piper_dev_storage /* piper */,
+  wordlist + 340 /* pipe */,
+  wordlist + 246 /* mem */,
+  wordlist + 288 /* kmem */,
+  wordlist + 358 /* null */,
+  wordlist + 310 /* zero */,
+  wordlist + 357 /* port */,
+  wordlist + 316 /* random */,
+  wordlist + 326 /* urandom */,
+  wordlist + 306 /* tty */,
+  wordlist + 333 /* console */,
+  wordlist + 327 /* ptym */,
+  wordlist + 344 /* conout */,
+  wordlist + 315 /* conin */,
+  wordlist + 352 /* clipboard */,
+  wordlist + 325 /* windows */,
+  wordlist + 291 /* oss_dsp */,
+  wordlist + 259 /* serial */
+};
+
+#ifdef __GNUC__
+__inline
+#endif
+const struct device *
+device::lookup (register const char *str, register unsigned int len)
+{
+  if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
+    {
+      register int key = devhash (str, len);
+
+      if (key <= MAX_HASH_VALUE && key >= 0)
+        {
+          register const char *s = wordlist[key].name;
+
+          if (strncasematch (str, s, len))
+            return &wordlist[key];
+        }
+    }
+  return 0;
+}
+void
+device::parse (const char *s)
+{
+  size_t len = strlen (s);
+  const device *dev = lookup (s, len);
+  unsigned unit = 0;
+
+  if (!dev || !*dev)
+    {
+      size_t prior_len = len;
+      while (len-- > 0 && isdigit (s[len]))
+	continue;
+      if (++len < prior_len)
+	{
+	  dev = lookup (s, len);
+	  if (!dev || (!dev->upper && !dev->devn == FH_TTY))
+	    dev = NULL;
+	  else
+	    {
+	      unsigned n = atoi (s + len);
+	      if (dev->devn == FH_TTY)
+		dev = ttys_dev;         // SIGH
+	      if (n >= dev->lower && n <= dev->upper)
+		unit = n;
+	    }
+	}
+    }
+
+  if (!dev || !*dev)
+    *this = *fs_dev;
+  else if (dev->devn == FH_TTY)
+    tty_to_real_device ();
+  else
+    {
+      *this = *dev;
+      if (!setunit (unit))
+	devn = 0;
+    }
+}
+
+void
+device::init ()
+{
+  /* nothing to do... yet */
+}
+
+void
+device::parse (_major_t major, _minor_t minor)
+{
+  _dev_t dev = FHDEV (major, 0);
+
+  devn = 0;
+
+  unsigned i;
+  for (i = 0; i < (sizeof (unit_devices) / sizeof (unit_devices[0])); i++)
+    if (unit_devices[i]->devn == dev)
+      {
+	*this = *unit_devices[i];
+	this->setunit (minor);
+	goto out;
+      }
+
+  dev = FHDEV (major, minor);
+  for (i = 0; i < (sizeof (uniq_devices) / sizeof (uniq_devices[0])); i++)
+    if (uniq_devices[i]->devn == dev)
+      {
+	*this = *uniq_devices[i];
+	break;
+      }
+  
+out:
+  if (!*this)
+    devn = FHDEV (major, minor);
+  return;
+}
+
+void
+device::parse (_dev_t dev)
+{
+  parse (_major (dev), _minor (dev));
+}
+
+void
+device::tty_to_real_device ()
+{
+  if (!real_tty_attached (myself))
+    *this = myself->ctty < 0 ? *bad_dev : *console_dev;
+  else
+    {
+      *this = *ttys_dev;
+      setunit (myself->ctty);
+    }
+}