MonetDB: Jun2016 - Avoid malloc in interrupt handler.

[Sjoerd Mullender]

Changeset: cdb967ed778f for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=cdb967ed778f
Modified Files:
        tools/merovingian/daemon/handlers.c
Branch: Jun2016
Log Message:

Avoid malloc in interrupt handler.


diffs (24 lines):

diff --git a/tools/merovingian/daemon/handlers.c 
b/tools/merovingian/daemon/handlers.c
--- a/tools/merovingian/daemon/handlers.c
+++ b/tools/merovingian/daemon/handlers.c
@@ -66,12 +66,17 @@ sigtostr(int sig)
 void
 handler(int sig)
 {
+       char buf[64];
        const char *signame = sigtostr(sig);
-       if (signame == NULL) {
-               Mfprintf(stdout, "caught signal %d, starting shutdown 
sequence\n", sig);
+
+       strcpy(buf, "caught ");
+       if (signame) {
+               strcpy(buf + 7, signame);
        } else {
-               Mfprintf(stdout, "caught %s, starting shutdown sequence\n", 
signame);
+               strcpy(buf + 7, "some signal");
        }
+       strcpy(buf + strlen(buf), ", starting shutdown sequence\n");
+       write(1, buf, strlen(buf));
        _mero_keep_listening = 0;
 }
 
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