X-Git-Url: https://git.phdru.name/?a=blobdiff_plain;f=subproc.py;h=57a95682803fcd83bd00d554c8d55784af3cef15;hb=3e29cb1a49f602f4a647c18ae64f0516a76de236;hp=fcb7e1e222715bbea0408062dd73da92b5a13692;hpb=f61e98fb060b1702bc02a2dddbe8dd49443ec0b6;p=bookmarks_db.git

diff --git a/subproc.py b/subproc.py
old mode 100644
new mode 100755
index fcb7e1e..57a9568
--- a/subproc.py
+++ b/subproc.py
@@ -1,3 +1,5 @@
+#! /usr/bin/env python
+
 """Run a subprocess and communicate with it via stdin, stdout, and stderr.
 
 Requires that platform supports, eg, posix-style 'os.pipe' and 'os.fork'
@@ -141,7 +143,9 @@ class Subprocess:
             except os.error as error:
                 errno, msg = error
                 if errno == 10:
+                    self.pid = None
                     raise SubprocessError("Subprocess '%s' failed." % self.cmd)
+                self.pid = None
                 raise SubprocessError("Subprocess failed[%d]: %s" % (errno, msg))
             if pid == self.pid:
                 # child exited already
@@ -153,6 +157,7 @@ class Subprocess:
                     "child killed by signal %d with a return code of %d"
                     % (sig, rc))
                 if rc:
+                    self.pid = None
                     raise SubprocessError(
                           "child exited with return code %d" % rc)
                 # Child may have exited, but not in error, so we won't say
@@ -648,15 +653,15 @@ class Ph:
 #############################################################################
 
 def test(p=0):
-    print("\tOpening subprocess:")
-    p = Subprocess('cat', 1)            # set to expire noisily...
-    print(p)
     print("\tOpening bogus subprocess, should fail:")
     try:
         b = Subprocess('/', 1)
         print("\tOops!  Null-named subprocess startup *succeeded*?!?")
     except SubprocessError:
         print("\t...yep, it failed.")
+    print("\tOpening cat subprocess:")
+    p = Subprocess('cat', 1)            # set to expire noisily...
+    print(p)
     print('\tWrite, then read, two newline-teriminated lines, using readline:')
     p.write('first full line written\n'); p.write('second.\n')
     print(repr(p.readline()))
@@ -686,3 +691,6 @@ def test(p=0):
             del p
             print("\tDone.")
             return None
+
+if __name__ == '__main__':
+    test()