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Workaround sendfile() bug in WSL

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This commit is contained in:
Justine Tunney 2022-11-02 01:38:42 -07:00
parent fc96af058b
commit f44d88707e
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4 changed files with 59 additions and 1 deletions
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6
test/libc/sock/sendfile_test.c
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@ -24,6 +24,7 @@
#include "libc/limits.h"
#include "libc/mem/gc.internal.h"
#include "libc/mem/mem.h"
#include "libc/runtime/internal.h"
#include "libc/runtime/runtime.h"
#include "libc/sock/sock.h"
#include "libc/sock/struct/sockaddr.h"
@ -125,7 +126,10 @@ TEST(sendfile, testPositioning) {
ASSERT_EQ(-1, sendfile(4, 5, 0, 6));
ASSERT_TRUE(errno == EINVAL || errno == EPIPE);
errno = 0;
ASSERT_EQ(12, GetFileOffset(5));
// XXX: WSL clobbers file offset on failure!
if (!__is_wsl()) {
ASSERT_EQ(12, GetFileOffset(5));
}
_Exit(0);
}
ASSERT_SYS(0, 0, close(3));