From 78081a1652bce9877f464d97e9780f9e296e293b Mon Sep 17 00:00:00 2001 From: Yang Tse Date: Fri, 3 Nov 2006 10:05:21 +0000 Subject: reduce max size of dinamically allocated arrays to minimize the nasty behaviour some versions of IRIX exhibit of committing suicide on big mallocs instead of just returning a friendly null pointer --- tests/libtest/lib518.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) (limited to 'tests/libtest/lib518.c') diff --git a/tests/libtest/lib518.c b/tests/libtest/lib518.c index 4fc06dfb2..d91625f98 100644 --- a/tests/libtest/lib518.c +++ b/tests/libtest/lib518.c @@ -202,7 +202,7 @@ static int rlimit(int keep_open) (rl.rlim_cur <= num_open.rlim_cur)) { sprintf(strbuff2, fmt, rl.rlim_cur); sprintf(strbuff1, fmt, num_open.rlim_cur); - sprintf(strbuff, "fd needed (%s) > system limit (%s)", + sprintf(strbuff, "fds needed %s > system limit %s", strbuff1, strbuff2); store_errmsg(strbuff, 0); fprintf(stderr, "%s\n", msgbuff); @@ -218,11 +218,19 @@ static int rlimit(int keep_open) * that it becomes available to the test. */ - nitems = INT_MAX / sizeof(*memchunk); + for (nitems = i = 1; nitems <= i; i *= 2) + nitems = i; + if (nitems > 0x7fff) + nitems = 0x40000; do { + num_open.rlim_max = sizeof(*memchunk) * (size_t)nitems; + sprintf(strbuff, fmt, num_open.rlim_max); + fprintf(stderr, "allocating memchunk %s byte array\n", strbuff); memchunk = malloc(sizeof(*memchunk) * (size_t)nitems); - if (!memchunk) + if (!memchunk) { + fprintf(stderr, "memchunk, malloc() failed\n"); nitems /= 2; + } } while (nitems && !memchunk); if (!memchunk) { store_errmsg("memchunk, malloc() failed", our_errno()); @@ -232,6 +240,8 @@ static int rlimit(int keep_open) /* initialize it to fight lazy allocation */ + fprintf(stderr, "initializing memchunk array\n"); + for (i = 0; i < nitems; i++) memchunk[i] = -1; @@ -266,6 +276,8 @@ static int rlimit(int keep_open) /* initialize it to fight lazy allocation */ + fprintf(stderr, "initializing fd array\n"); + for (num_open.rlim_cur = 0; num_open.rlim_cur < num_open.rlim_max; num_open.rlim_cur++) @@ -302,7 +314,7 @@ static int rlimit(int keep_open) num_open.rlim_max = NUM_NEEDED; sprintf(strbuff2, fmt, num_open.rlim_max); sprintf(strbuff1, fmt, num_open.rlim_cur); - sprintf(strbuff, "fd needed (%s) > system limit (%s)", + sprintf(strbuff, "fds needed %s > system limit %s", strbuff2, strbuff1); store_errmsg(strbuff, 0); fprintf(stderr, "%s\n", msgbuff); -- cgit v1.2.3