Changeset: 808e27138443 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/808e27138443
Modified Files:
gdk/gdk_posix.c
Branch: Jun2023
Log Message:
Simplify code.
diffs (33 lines):
diff --git a/gdk/gdk_posix.c b/gdk/gdk_posix.c
--- a/gdk/gdk_posix.c
+++ b/gdk/gdk_posix.c
@@ -301,22 +301,17 @@ MT_getrss(void)
/* get RSS on Linux */
int fd;
- fd = open("/proc/self/stat", O_RDONLY | O_CLOEXEC);
+ fd = open("/proc/self/statm", O_RDONLY | O_CLOEXEC);
if (fd >= 0) {
- char buf[1024], *r = buf;
- ssize_t i, sz = read(fd, buf, 1024);
+ char buf[1024];
+ ssize_t sz = read(fd, buf, sizeof(buf) - 1);
close(fd);
if (sz > 0) {
- for (i = 0; i < 23; i++) {
- while (*r && (*r == ' ' || *r == '\t'))
- r++;
- while (*r && (*r != ' ' && *r != '\t'))
- r++;
- }
- while (*r && (*r == ' ' || *r == '\t'))
- r++;
- return ((size_t) atol(r)) * MT_pagesize();
+ buf[sz] = 0;
+ long rss;
+ if (sscanf(buf, "%*d %ld", &rss) >= 1)
+ return (size_t) rss * MT_pagesize();
}
}
#endif
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