mirror of
git://sourceware.org/git/glibc.git
synced 2025-04-24 14:41:06 +08:00
49 lines
1.3 KiB
Diff
49 lines
1.3 KiB
Diff
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--- libc/sysdeps/unix/sysv/linux/dl-osinfo.h.jj 2002-12-10 09:09:24.000000000 -0500
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+++ libc/sysdeps/unix/sysv/linux/dl-osinfo.h 2003-05-20 17:05:37.000000000 -0400
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@@ -22,6 +22,7 @@
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#include <sys/sysctl.h>
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#include <sys/utsname.h>
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#include "kernel-features.h"
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+#include <sysdep.h>
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#ifndef MIN
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# define MIN(a,b) (((a)<(b))?(a):(b))
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@@ -37,8 +38,29 @@ dl_fatal (const char *str)
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_dl_dprintf (2, str);
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_exit (1);
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}
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-#endif
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+static inline void
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+__attribute__ ((always_inline))
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+dl_redhat_nptl_check (const char *cp)
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+{
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+ cp = strchr (cp, 'n');
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+ if (__builtin_expect (cp == NULL || cp[1] != 'p'
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+ || cp[2] != 't' || cp[3] != 'l', 0)
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+ && GLRO(dl_osversion) < 0x20545
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+ && GLRO(dl_osversion) > 0x20413)
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+ {
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+#ifdef __NR_set_tid_address
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+ INTERNAL_SYSCALL_DECL (err);
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+ int ret;
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+ ret = INTERNAL_SYSCALL (set_tid_address, err, 1, NULL);
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+ if (INTERNAL_SYSCALL_ERROR_P (ret, err))
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+#endif
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+ GLRO(dl_osversion) = 0x20413;
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+ }
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+}
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+#else
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+#define dl_redhat_nptl_check(cp)
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+#endif
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#define DL_SYSDEP_OSCHECK(FATAL) \
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do { \
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@@ -105,5 +127,6 @@ dl_fatal (const char *str)
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FATAL ("FATAL: kernel too old\n"); \
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\
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GLRO(dl_osversion) = version; \
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+ dl_redhat_nptl_check (cp); \
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} \
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} while (0)
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