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--- Libc/Libc-1583.0.14/tests/stdio.c
+++ /dev/null
@@ -1,147 +0,0 @@
-#include <stdio.h>
-#include <err.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/resource.h>
-#include <stdlib.h>
-#include <sys/sysctl.h>
-
-#include <darwintest.h>
-
-#define FILE_LIMIT 100
-
-/*
- * Validate:
- * (1) the maximum number of fds allowed open per process
- * implemented by the kernel matches what sysconf expects:
- * 32 bit: OPEN_MAX
- * 64 bit: RLIM_INFINITY
- * (2) fopen does not fail when NOFILE is unlimited.
- */
-T_DECL(stdio_PR_63187147_SC_STREAM_MAX, "_SC_STREAM_MAX test")
-{
- struct rlimit rlim;
- long stream_max, saved_stream_max, open_count, i;
- int maxfilesperproc, err;
- size_t maxfilesperproc_size = sizeof(maxfilesperproc);
- FILE **fp = NULL;
- const char *filename = "fopen_test";
-
- T_SETUPBEGIN;
-
- saved_stream_max = sysconf(_SC_STREAM_MAX);
- T_LOG("Initial stream_max %ld", saved_stream_max);
-
- /* Decide the maximum number of fds allowed by the kernel */
- err = sysctlbyname("kern.maxfilesperproc", &maxfilesperproc, &maxfilesperproc_size, NULL, 0);
- T_EXPECT_POSIX_SUCCESS(err, "sysctlbyname(\"kern.maxfilesperproc\") returned %d", err);
- T_LOG("kern.maxfilesperproc %d", maxfilesperproc);
-
- /*
- * Raise RLIMIT_NOFILE to RLIM_INFINITY, note that this does NOT update
- * __stream_max in findfp.c
- */
- err = getrlimit(RLIMIT_NOFILE, &rlim);
- T_EXPECT_POSIX_SUCCESS(err, "getrlimit(RLIMIT_NOFILE)");
- T_LOG("Initial RLIMIT_NOFILE rlim.cur: 0x%llx", rlim.rlim_cur);
- rlim.rlim_cur = RLIM_INFINITY;
- err = setrlimit(RLIMIT_NOFILE, &rlim);
- T_EXPECT_POSIX_SUCCESS(err, "setrlimit(RLIMIT_NOFILE) to RLIM_INFINITY");
- err = getrlimit(RLIMIT_NOFILE, &rlim);
- T_EXPECT_POSIX_SUCCESS(err, "New RLIMIT_NOFILE rlim_cur: 0x%llx", rlim.rlim_cur);
-
- T_SETUPEND;
-
- /*
- * Test 1 (sysconf with _SC_STREAM_MAX): the largest value sysconf
- * returns for _SC_STREAM_MAX is OPEN_MAX (32 bit) or
- * RLIM_INFINITY (64 bit)
- */
- stream_max = sysconf(_SC_STREAM_MAX);
- T_EXPECT_NE_LONG((long)-1, stream_max, "stream_max %ld", stream_max);
-#if __LP64__
- T_EXPECT_EQ((long)RLIM_INFINITY, stream_max, "sysconf returned 0x%lx", stream_max);
-#else
- T_EXPECT_EQ((long)OPEN_MAX, stream_max, "sysconf returned 0x%lx", stream_max);
-#endif
-
- /*
- * Test 2 (__stream_max in findfp.c): exercise __sfp by calling fopen
- * saved_stream_max + 1 times. Note that we call fopen() up to
- * maxfilesperproc times in case fopen() goes nuts.
- */
- fp = malloc(sizeof(FILE *) * (size_t)maxfilesperproc);
- T_EXPECT_NOTNULL(fp, "Allocated %d FILE pointers", maxfilesperproc);
- for (i = 0; i < saved_stream_max + 1 && i < maxfilesperproc; i++) {
- if (i == saved_stream_max) {
- T_LOG("The very next fopen should trigger __sfp to update __stream_max and fopen shouldn't fail ");
- }
- fp[i] = fopen(filename, "r");
- T_QUIET; T_EXPECT_NOTNULL(fp, "%ld: fopen(%s, \"r\")", i, filename);
- }
- open_count = i;
-
- for (i = 0; i < open_count; i++) {
- fclose(fp[i]);
- }
- free(fp);
-
- T_LOG("saved_stream_max %ld stream_max %ld fopen %ld files", saved_stream_max, stream_max, open_count);
-}
-
-T_DECL(stdio_PR_22813396, "STREAM_MAX is affected by changes to RLIMIT_NOFILE")
-{
- struct rlimit theLimit;
- getrlimit( RLIMIT_NOFILE, &theLimit );
- theLimit.rlim_cur = FILE_LIMIT;
- setrlimit( RLIMIT_NOFILE, &theLimit );
-
- long stream_max = sysconf(_SC_STREAM_MAX);
- T_EXPECT_EQ_LONG(stream_max, (long)FILE_LIMIT, "stream_max = FILE_LIMIT");
-
- FILE *f;
- for(int i = 3; i < stream_max; i++) {
- if((f = fdopen(0, "r")) == NULL) {
- T_FAIL("Failed after %d streams", i);
- }
- }
-
- f = fdopen(0, "r");
- T_EXPECT_NULL(f, "fdopen fail after stream_max streams");
-
- theLimit.rlim_cur = FILE_LIMIT + 1;
- setrlimit( RLIMIT_NOFILE, &theLimit );
-
- f = fdopen(0, "r");
- T_EXPECT_NOTNULL(f, "fdopen succeed after RLIMIT_NOFILE increased");
-}
-
-T_DECL(stdio_PR_22813396_close, "STREAM_MAX is enforced properly after fclose")
-{
- struct rlimit theLimit;
- getrlimit( RLIMIT_NOFILE, &theLimit );
- theLimit.rlim_cur = FILE_LIMIT;
- setrlimit( RLIMIT_NOFILE, &theLimit );
-
- long stream_max = sysconf(_SC_STREAM_MAX);
- T_EXPECT_EQ_LONG(stream_max, (long)FILE_LIMIT, "stream_max = FILE_LIMIT");
-
- FILE *f;
- for(int i = 3; i < stream_max - 1; i++) {
- if((f = fdopen(0, "r")) == NULL) {
- T_FAIL("Failed after %d streams", i);
- }
- }
-
- // the last stream is for dup(0), it needs to be fclose'd
- FILE *dupf = NULL;
- T_EXPECT_NOTNULL(dupf = fdopen(dup(0), "r"), NULL);
-
- T_EXPECT_NULL(f = fdopen(0, "r"), "fdopen fail after stream_max streams");
-
- T_EXPECT_POSIX_ZERO(fclose(dupf), "fclose succeeds");
-
- f = fdopen(0, "r");
- T_WITH_ERRNO; T_EXPECT_NOTNULL(f, "fdopen succeed after fclose");
-}
-