upstream/mercurial-mirror Files · contrib/xml.rnc

osutil: add a function to unblock signals...

osutil: add a function to unblock signals Signals could be blocked by something like: #include <unistd.h> #include <signal.h> int main(int argc, char * const argv[]) { sigset_t set; sigfillset(&set); sigprocmask(SIG_BLOCK, &set, NULL); execv("/bin/hg", argv); return 0; } One of the problems is if SIGCHLD is blocked, chgserver would not reap zombie workers since it depends on SIGCHLD handler entirely. While it's the parent process to blame but it seems a good idea to just unblock the signal from hg. FWIW git does that for SIGPIPE already [1]. Unfortunately Python 2 does not reset or provide APIs to change signal masks. Therefore let's add one in osutil. Note: Python 3.3 introduced `signal.pthread_sigmask` which solves the problem. `sigprocmask` is part of POSIX [2] so there is no feature testing in `setup.py`. [1]: https://github.com/git/git/commit/7559a1be8a0afb10df41d25e4cf4c5285a5faef1 [2]: http://pubs.opengroup.org/onlinepubs/7908799/xsh/sigprocmask.html Differential Revision: https://phab.mercurial-scm.org/D1736

Robert Bachmann - - Load All Authors

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                | application/relax-ng-compact-syntax
            
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      # RelaxNG schema for "xml" log style

      # Inspired by Subversion's XML log format.

      start = log

      node.type = xsd:string  {minLength = "40" maxLength = "40"}

      log = element log { logentry+ }

      logentry = element logentry {

          logentry.attlist,

          branch*, tag*, hgparent*,

          author, date,

          msg, paths?, copies?, extra*

      }

      logentry.attlist =

          attribute revision {xsd:nonNegativeInteger}

        & attribute node {node.type}

      branch = element branch { text }

      tag = element tag { text }

      hgparent = element parent {hgparent.attlist, text}

      hgparent.attlist =

          attribute revision {xsd:integer {minInclusive = "-1"} }

        & attribute node {node.type}

      author = element author { author.attlist, text }

      author.attlist =

          attribute email {text}

      date = element date {xsd:dateTime}

      msg = element msg {msg.attlist, text}

      msg.attlist =

          attribute xml:space {"preserve"}

      paths = element paths { path* }

      path = element path { path.attlist, text }

      path.attlist =

          # Action: (A)dd, (M)odify, (R)emove

          attribute action {"A"|"M"|"R"}

      copies = element copies { copy+ }

      copy = element copy { copy.attlist, text }

      copy.attlist =

          attribute source {text}

      extra = element extra {extra.attlist, text}

      extra.attlist =

          attribute key {text}

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				# RelaxNG schema for "xml" log style
				# Inspired by Subversion's XML log format.

				start = log
				node.type = xsd:string {minLength = "40" maxLength = "40"}

				log = element log { logentry+ }
				logentry = element logentry {
				logentry.attlist,
				branch, tag, hgparent*,
				author, date,
				msg, paths?, copies?, extra*
				}
				logentry.attlist =
				attribute revision {xsd:nonNegativeInteger}
				& attribute node {node.type}
				branch = element branch { text }
				tag = element tag { text }
				hgparent = element parent {hgparent.attlist, text}
				hgparent.attlist =
				attribute revision {xsd:integer {minInclusive = "-1"} }
				& attribute node {node.type}
				author = element author { author.attlist, text }
				author.attlist =
				attribute email {text}
				date = element date {xsd:dateTime}
				msg = element msg {msg.attlist, text}
				msg.attlist =
				attribute xml:space {"preserve"}
				paths = element paths { path* }
				path = element path { path.attlist, text }
				path.attlist =
				# Action: (A)dd, (M)odify, (R)emove
				attribute action {"A"\|"M"\|"R"}
				copies = element copies { copy+ }
				copy = element copy { copy.attlist, text }
				copy.attlist =
				attribute source {text}
				extra = element extra {extra.attlist, text}
				extra.attlist =
				attribute key {text}