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Make improvements

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- Make rand64() thread safe
- Introduce lemur64 lcg prng
- Improve strace on New Technology
- Improve msync() on New Technology
This commit is contained in:
Justine Tunney 2022-04-07 00:15:35 -07:00
parent 43ba3009b2
commit 29bf8b1a30
73 changed files with 888 additions and 269 deletions
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12
test/libc/runtime/mmap_test.c
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@ -42,7 +42,7 @@ TEST(mmap, testMapFile) {
int fd;
char *p;
char path[PATH_MAX];
sprintf(path, "%s%s.%ld", kTmpPath, program_invocation_short_name, vigna());
sprintf(path, "%s%s.%ld", kTmpPath, program_invocation_short_name, lemur64());
ASSERT_NE(-1, (fd = open(path, O_CREAT | O_TRUNC | O_RDWR, 0644)));
EXPECT_EQ(5, write(fd, "hello", 5));
EXPECT_NE(-1, fdatasync(fd));
@ -56,7 +56,7 @@ TEST(mmap, testMapFile) {
TEST(mmap, testMapFile_fdGetsClosed_makesNoDifference) {
int fd;
char *p, buf[16], path[PATH_MAX];
sprintf(path, "%s%s.%ld", kTmpPath, program_invocation_short_name, vigna());
sprintf(path, "%s%s.%ld", kTmpPath, program_invocation_short_name, lemur64());
ASSERT_NE(-1, (fd = open(path, O_CREAT | O_TRUNC | O_RDWR, 0644)));
EXPECT_EQ(5, write(fd, "hello", 5));
EXPECT_NE(-1, fdatasync(fd));
@ -163,7 +163,7 @@ TEST(mmap, cow) {
int fd;
char *p;
char path[PATH_MAX];
sprintf(path, "%s%s.%ld", kTmpPath, program_invocation_short_name, vigna());
sprintf(path, "%s%s.%ld", kTmpPath, program_invocation_short_name, lemur64());
ASSERT_NE(-1, (fd = open(path, O_CREAT | O_TRUNC | O_RDWR, 0644)));
EXPECT_EQ(5, write(fd, "hello", 5));
EXPECT_NE(-1, fdatasync(fd));
@ -182,7 +182,7 @@ TEST(mmap, cowFileMapReadonlyFork) {
char *p;
int fd, pid, ws;
char path[PATH_MAX], lol[6];
sprintf(path, "%s%s.%ld", kTmpPath, program_invocation_short_name, vigna());
sprintf(path, "%s%s.%ld", kTmpPath, program_invocation_short_name, lemur64());
ASSERT_NE(-1, (fd = open(path, O_CREAT | O_TRUNC | O_RDWR, 0644)));
EXPECT_EQ(6, write(fd, "hello", 6));
EXPECT_NE(-1, close(fd));
@ -206,7 +206,7 @@ TEST(mmap, cowFileMapFork) {
char *p;
int fd, pid, ws;
char path[PATH_MAX], lol[6];
sprintf(path, "%s%s.%ld", kTmpPath, program_invocation_short_name, vigna());
sprintf(path, "%s%s.%ld", kTmpPath, program_invocation_short_name, lemur64());
ASSERT_NE(-1, (fd = open(path, O_CREAT | O_TRUNC | O_RDWR, 0644)));
EXPECT_EQ(6, write(fd, "parnt", 6));
EXPECT_NE(-1, fdatasync(fd));
@ -256,7 +256,7 @@ TEST(mmap, sharedFileMapFork) {
char *p;
int fd, pid, ws;
char path[PATH_MAX], lol[6];
sprintf(path, "%s%s.%ld", kTmpPath, program_invocation_short_name, vigna());
sprintf(path, "%s%s.%ld", kTmpPath, program_invocation_short_name, lemur64());
ASSERT_NE(-1, (fd = open(path, O_CREAT | O_TRUNC | O_RDWR, 0644)));
EXPECT_EQ(6, write(fd, "parnt", 6));
EXPECT_NE(-1, fdatasync(fd));