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Fix getauxval for sanitizer builds

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Amos Bird 2022-11-01 22:33:52 +08:00
parent 2e7013f439
commit a89e847514
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1 changed files with 5 additions and 1 deletions
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6
base/glibc-compatibility/musl/getauxval.c
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@ -8,6 +8,8 @@
#include <link.h> // ElfW #include <link.h> // ElfW
#include <errno.h> #include <errno.h>
#include "syscall.h"
#define ARRAY_SIZE(a) sizeof((a))/sizeof((a[0])) #define ARRAY_SIZE(a) sizeof((a))/sizeof((a[0]))
/// Suppress TSan since it is possible for this code to be called from multiple threads, /// Suppress TSan since it is possible for this code to be called from multiple threads,
@ -39,7 +41,9 @@ ssize_t __retry_read(int fd, void * buf, size_t count)
{ {
for (;;) for (;;)
{ {
ssize_t ret = read(fd, buf, count); // We cannot use the read syscall as it will be intercept by sanitizers, which aren't
// initialized yet. Emit syscall directly.
ssize_t ret = __syscall_ret(__syscall(SYS_read, fd, buf, count));
if (ret == -1) if (ret == -1)
{ {
if (errno == EINTR) if (errno == EINTR)