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Hi, nanosleep(3) does not get sometimes resolved on Fedora Core 6: reproducibility: $ gcc -o threadcrash threadcrash.c -ggdb3 -Wall -pthread $ gdb --command=gdb1 without the patch: #0 0x00ab7402 in __kernel_vsyscall () #1 0x0077ec66 in ?? () from /lib/i686/nosegneg/libc.so.6 #2 0x0077ea5c in __sleep (seconds=0) at ../sysdeps/unix/sysv/linux/sleep.c:138 #3 0x08048880 in makeSyscall (ignored=0x0) at threadcrash.c:137 #4 0x00867402 in start_thread (arg=0xb7f55b90) at pthread_create.c:296 #5 0x007bf38e in clone () from /lib/i686/nosegneg/libc.so.6 with the patch: #0 0x0095a402 in __kernel_vsyscall () #1 0x0077ec66 in nanosleep () from /lib/i686/nosegneg/libc.so.6 #2 0x0077ea5c in __sleep (seconds=0) at ../sysdeps/unix/sysv/linux/sleep.c:138 #3 0x08048880 in makeSyscall (ignored=0x0) at threadcrash.c:137 #4 0x00867402 in start_thread (arg=0xb7fbdb90) at pthread_create.c:296 #5 0x007bf38e in clone () from /lib/i686/nosegneg/libc.so.6 It occurs for GNU/Linux glibc `__nanosleep' overlapping later `__nanosleep_nocancel' with PC at 0077ec66: readelf(1) dump of glibc: Num: Value Size Type Bind Vis Ndx Name 7247: 0077ec20 124 FUNC WEAK DEFAULT 11 __nanosleep 4651: 0077ec2a 32 FUNC LOCAL DEFAULT 11 __nanosleep_nocancel Unfortunately the resolving code has already a lot of exceptions and it may break something on some platform. Regards, Jan
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gdb-cvs-symbols-overlap.patch
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