* 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, 164 insertions, 0 deletions

diff --git a/winsup/cygwin/devices.gperf b/winsup/cygwin/devices.gperf
new file mode 100644
index 000000000..5251f59f3
--- /dev/null
+++ b/winsup/cygwin/devices.gperf
@@ -0,0 +1,164 @@
+%{
+#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)));
+%}
+struct device;
+%%
+"/dev/tty", FH_TTY, "\\dev\\tty", 0, 0, 0, 0
+"/dev/ttys", FH_TTYS, "\\dev\\tty%d", 0, 255, 0, 0
+"/dev/console", FH_CONSOLE, "\\dev\\console", 0, 0, 0, 0
+"/dev/ttym", FH_TTYM, "\\dev\\ttym", 0, 255, 0, 0
+"/dev/ptmx", FH_PTYM, "\\dev\\ptmx", 0, 0, 0, 0
+"/dev/windows", FH_WINDOWS, "\\dev\\windows", 0, 0, 0, 0
+"/dev/dsp", FH_OSS_DSP, "\\dev\\dsp", 0, 0, 0, 0
+"/dev/conin", FH_CONIN, "conin", 0, 0, 0, 0
+"/dev/conout", FH_CONOUT, "conout", 0, 0, 0, 0
+"/dev/null", FH_NULL, "nul", 0, 0, 0, 0
+"/dev/zero", FH_ZERO, "\\dev\\zero", 0, 0, 0, 0
+"/dev/random", FH_RANDOM, "\\dev\\random", 0, 0, 0, 0
+"/dev/urandom", FH_URANDOM, "\\dev\\urandom", 0, 0, 0, 0
+"/dev/mem", FH_MEM, "\\dev\\mem", 0, 0, 0, 0
+"/dev/kmem", FH_KMEM, "\\dev\\mem", 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/com", FH_SERIAL, "\\.\\com%d", 1, 99
+"/dev/ttyS", FH_SERIAL, "\\.\\com%d", 0, 99, -1
+"/dev/pipe", FH_PIPE, "\\dev\\pipe", 0, 0, 0, 0
+"/dev/fifo", FH_FIFO, "\\dev\\fifo", 0, 0, 0, 0
+"/dev/st", FH_TAPE, "\\Device\\Tape%d", 0, 127
+"/dev/nst", FH_NTAPE, "\\Device\\Tape%d", 0, 127
+"/dev/fd", FH_FLOPPY, "\\Device\\Floppy%d", 0, 15
+"/dev/scd", FH_CDROM, "\\Device\\CdRom%d", 0, 15
+"/dev/sr", FH_CDROM, "\\Device\\CdRom%d", 0, 15
+"/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/hdc", FH_SDC, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 31
+"/dev/hdd", FH_SDD, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 47
+"/dev/hde", FH_SDE, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 63
+"/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/hdh", FH_SDH, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 111
+"/dev/hdi", FH_SDI, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 127
+"/dev/hdj", FH_SDJ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 143
+"/dev/hdk", FH_SDK, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 159
+"/dev/hdl", FH_SDL, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 175
+"/dev/hdm", FH_SDM, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 191
+"/dev/hdn", FH_SDN, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 207
+"/dev/hdo", FH_SDO, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 223
+"/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/hdr", FH_SDR, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 271
+"/dev/hds", FH_SDS, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 287
+"/dev/hdt", FH_SDT, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 303
+"/dev/hdu", FH_SDU, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 319
+"/dev/hdv", FH_SDV, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 335
+"/dev/hdw", FH_SDW, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 351
+"/dev/hdx", FH_SDX, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 367
+"/dev/hdy", FH_SDY, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 383
+"/dev/hdz", FH_SDZ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 399
+"/dev/rawdrive", FH_RAWDRIVE, "\\DosDevices\\%c:", 0, 0, 0, 0
+":bad:", FH_BAD, ":bad:", 0, 0, 0, 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);
+    }
+}