[ViewVC] Diff of: Development/ray/src/util/rpiece.c

Comparing ray/src/util/rpiece.c (file contents):
Revision 2.5 by greg, Fri Aug 7 11:05:30 1992 UTC vs.
Revision 2.6 by greg, Fri Aug 7 11:34:27 1992 UTC

+#include "standard.h"
+#include <fcntl.h>
-+
+#include <signal.h>
+#include "color.h"
+#include "view.h"
+#include "resolu.h"
+extern long  lseek(), ftell();
-+
+int  gotalrm = 0;
-+
+int  onalrm() { gotalrm++; }
-+
+main(argc, argv)
+int  argc;
+char  *argv[];
+                fprintf(stderr, "%s: out of memory\n", progname);
+                exit(1);
-+
+        signal(SIGALRM, onalrm);
+        return;
+filerr:
+        fprintf(stderr, "%s: file i/o error\n", outfile);
+        struct flock  fls;
+        char  buf[64];
-<
+        if (syncfd != -1) {             /* using sync file */
->
+        if (gotalrm)                    /* someone wants us to quit */
->
+                return(0);
->
+        if (syncfd != -1) {             /* use sync file */
+                fls.l_type = F_WRLCK;           /* gain exclusive access */
+                fls.l_whence = 0;
+                fls.l_start = 0L;
+                fcntl(syncfd, F_SETLKW, &fls);
+                return(1);
-<
+        if (fgets(buf, sizeof(buf), stdin) == NULL)     /* using stdin */
->
+        if (fgets(buf, sizeof(buf), stdin) == NULL)     /* use stdin */
+                return(0);
+        if (sscanf(buf, "%d %d", xp, yp) == 2)
+                return(1);

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