X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=vmesa%2Fvmesa.c;h=8bc733b5b749198ee5fff7d1759decb0eb3c692e;hb=6874a2de0b9fdd8dc928c94c0f22e6f2b45cb330;hp=0e7894aeb95e92b35583b75496e70314e833cb28;hpb=45bc920620377d5a7720d3d562c48df1eb0c2e68;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/vmesa/vmesa.c b/vmesa/vmesa.c
index 0e7894a..8bc733b 100644
--- a/vmesa/vmesa.c
+++ b/vmesa/vmesa.c
@@ -121,7 +121,6 @@ do_aspawn(SV* really, SV **mark, SV **sp)
     status = FAIL;
     if (sp > mark)
     {
-       dTHR;
        New(401,PL_Argv, sp - mark + 1, char*);
        a = PL_Argv;
        while (++mark <= sp)
@@ -182,11 +181,13 @@ do_aspawn(SV* really, SV **mark, SV **sp)
              /* be used by my_pclose                        */
              /*---------------------------------------------*/
              close(fd);
+             MUTEX_LOCK(&PL_fdpid_mutex);
              p_sv  = av_fetch(PL_fdpid,fd,TRUE);
              fd    = (int) SvIVX(*p_sv);
              SvREFCNT_dec(*p_sv);
              *p_sv = &PL_sv_undef;
              sv    = *av_fetch(PL_fdpid,fd,TRUE);
+             MUTEX_UNLOCK(&PL_fdpid_mutex);
              (void) SvUPGRADE(sv, SVt_IV);
              SvIVX(sv) = pid;
              status    = 0;
@@ -284,7 +285,6 @@ do_spawn(char *cmd, int execf)
                     (const char **) environ);
        if (pid < 0)
        {
-          dTHR;
           status = FAIL;
           if (ckWARN(WARN_EXEC))
              warner(WARN_EXEC,"Can't exec \"%s\": %s",
@@ -408,11 +408,13 @@ my_popen(char *cmd, char *mode)
          Perl_stdin_fd = pFd[that];
       if (strNE(cmd,"-"))
       {
-	 PERL_FLUSHALL_FOR_CHILD;
+         PERL_FLUSHALL_FOR_CHILD;
          pid = spawn_cmd(cmd, Perl_stdin_fd, Perl_stdout_fd);
          if (pid >= 0)
          {
+            MUTEX_LOCK(&PL_fdpid_mutex);
             sv = *av_fetch(PL_fdpid,pFd[this],TRUE);
+            MUTEX_UNLOCK(&PL_fdpid_mutex);
             (void) SvUPGRADE(sv, SVt_IV);
             SvIVX(sv) = pid;
             fd = PerlIO_fdopen(pFd[this], mode);
@@ -423,7 +425,9 @@ my_popen(char *cmd, char *mode)
       }
       else
       {
+         MUTEX_LOCK(&PL_fdpid_mutex);
          sv = *av_fetch(PL_fdpid,pFd[that],TRUE);
+         MUTEX_UNLOCK(&PL_fdpid_mutex);
          (void) SvUPGRADE(sv, SVt_IV);
          SvIVX(sv) = pFd[this];
          fd = PerlIO_fdopen(pFd[this], mode);
@@ -460,7 +464,9 @@ my_pclose(FILE *fp)
  SV   **sv;
  FILE *other;
 
+   MUTEX_LOCK(&PL_fdpid_mutex);
    sv        = av_fetch(PL_fdpid,PerlIO_fileno(fp),TRUE);
+   MUTEX_UNLOCK(&PL_fdpid_mutex);
    pid       = (int) SvIVX(*sv);
    SvREFCNT_dec(*sv);
    *sv       = &PL_sv_undef;