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5315068bcf
`EWOULDBLOCK'. This prevents DeleGate to hang upon writing the transfer log to stderr when running as an FTP proxy in foreground (-v) mode.
48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
--- src/lock.c.orig Tue Aug 4 09:13:18 1998
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+++ src/lock.c Thu Nov 19 18:17:09 1998
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@@ -18,6 +18,7 @@
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History:
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970403 extracted from cache.c
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//////////////////////////////////////////////////////////////////////#*/
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+#include <errno.h>
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#include <stdio.h>
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#include <sys/types.h>
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extern double Time();
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@@ -112,6 +113,22 @@
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rcode = 0;
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break;
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}
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+#ifdef EWOULDBLOCK
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+ /*
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+ * Only retry the lock if it was busy. Other
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+ * possible sources for the lock to fail are:
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+ * invalid argument, bad filedescriptor, and
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+ * operation not supported by device. The latter
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+ * happens if you start DeleGateD with -v, so it
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+ * logs to stderr (which usually doesn't support
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+ * locking at all).
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+ */
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+ if (rcode == -1 && errno != EWOULDBLOCK) {
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+ /* pretend lock succeeded */
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+ rcode = 0;
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+ break;
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+ }
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+#endif
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remain = timeout - elapsed;
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if( remain <= 0 )
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break;
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@@ -122,6 +139,13 @@
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start = Time();
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rcode = callFuncTimeout(remain/1000,-1,func,fd);
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+#ifdef EWOULDBLOCK
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+ if (rcode == -1 && errno != EWOULDBLOCK) {
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+ /* pretend lock succeeded */
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+ rcode = 0;
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+ break;
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+ }
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+#endif
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elapse1 = (Time() - start) * 1000;
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/*{
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static int n;
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