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misc: Add twalk_r function

Browse Source 
The twalk function is very difficult to use in a multi-threaded
program because there is no way to pass external state to the
iterator function.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2019-05-02 11:42:51 +02:00
parent 20aa581958
commit 7b807a35a8
37 changed files with 315 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
sysdeps/unix/sysv/linux/aarch64/libc.abilist
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@ -2142,3 +2142,4 @@ GLIBC_2.29 getcpu F
GLIBC_2.29 posix_spawn_file_actions_addchdir_np F
GLIBC_2.29 posix_spawn_file_actions_addfchdir_np F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F

1
sysdeps/unix/sysv/linux/alpha/libc.abilist
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@ -2217,6 +2217,7 @@ GLIBC_2.30 __nldbl_vwarnx F
GLIBC_2.30 __nldbl_warn F
GLIBC_2.30 __nldbl_warnx F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F
GLIBC_2.4 _IO_sprintf F

1
sysdeps/unix/sysv/linux/arm/libc.abilist
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@ -127,6 +127,7 @@ GLIBC_2.29 getcpu F
GLIBC_2.29 posix_spawn_file_actions_addchdir_np F
GLIBC_2.29 posix_spawn_file_actions_addfchdir_np F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 _Exit F
GLIBC_2.4 _IO_2_1_stderr_ D 0xa0
GLIBC_2.4 _IO_2_1_stdin_ D 0xa0

1
sysdeps/unix/sysv/linux/csky/libc.abilist
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@ -2086,3 +2086,4 @@ GLIBC_2.29 xencrypt F
GLIBC_2.29 xprt_register F
GLIBC_2.29 xprt_unregister F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F

1
sysdeps/unix/sysv/linux/hppa/libc.abilist
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@ -2038,6 +2038,7 @@ GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 __confstr_chk F
GLIBC_2.4 __fgets_chk F
GLIBC_2.4 __fgets_unlocked_chk F

1
sysdeps/unix/sysv/linux/i386/libc.abilist
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@ -2204,6 +2204,7 @@ GLIBC_2.3.4 vm86 F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 __confstr_chk F
GLIBC_2.4 __fgets_chk F
GLIBC_2.4 __fgets_unlocked_chk F

1
sysdeps/unix/sysv/linux/ia64/libc.abilist
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@ -2070,6 +2070,7 @@ GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 __confstr_chk F
GLIBC_2.4 __fgets_chk F
GLIBC_2.4 __fgets_unlocked_chk F

1
sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
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@ -128,6 +128,7 @@ GLIBC_2.29 getcpu F
GLIBC_2.29 posix_spawn_file_actions_addchdir_np F
GLIBC_2.29 posix_spawn_file_actions_addfchdir_np F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 _Exit F
GLIBC_2.4 _IO_2_1_stderr_ D 0x98
GLIBC_2.4 _IO_2_1_stdin_ D 0x98

1
sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
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@ -2147,6 +2147,7 @@ GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 __confstr_chk F
GLIBC_2.4 __fgets_chk F
GLIBC_2.4 __fgets_unlocked_chk F

1
sysdeps/unix/sysv/linux/microblaze/libc.abilist
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@ -2134,3 +2134,4 @@ GLIBC_2.29 getcpu F
GLIBC_2.29 posix_spawn_file_actions_addchdir_np F
GLIBC_2.29 posix_spawn_file_actions_addfchdir_np F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F

1
sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
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@ -2121,6 +2121,7 @@ GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 __confstr_chk F
GLIBC_2.4 __fgets_chk F
GLIBC_2.4 __fgets_unlocked_chk F

1
sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
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@ -2119,6 +2119,7 @@ GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 __confstr_chk F
GLIBC_2.4 __fgets_chk F
GLIBC_2.4 __fgets_unlocked_chk F

1
sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
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@ -2127,6 +2127,7 @@ GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 __confstr_chk F
GLIBC_2.4 __fgets_chk F
GLIBC_2.4 __fgets_unlocked_chk F

1
sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
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@ -2121,6 +2121,7 @@ GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 __confstr_chk F
GLIBC_2.4 __fgets_chk F
GLIBC_2.4 __fgets_unlocked_chk F

1
sysdeps/unix/sysv/linux/nios2/libc.abilist
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@ -2175,3 +2175,4 @@ GLIBC_2.29 getcpu F
GLIBC_2.29 posix_spawn_file_actions_addchdir_np F
GLIBC_2.29 posix_spawn_file_actions_addfchdir_np F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F

1
sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
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@ -2177,6 +2177,7 @@ GLIBC_2.30 __nldbl_vwarnx F
GLIBC_2.30 __nldbl_warn F
GLIBC_2.30 __nldbl_warnx F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F
GLIBC_2.4 _IO_sprintf F

1
sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
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@ -2210,6 +2210,7 @@ GLIBC_2.30 __nldbl_vwarnx F
GLIBC_2.30 __nldbl_warn F
GLIBC_2.30 __nldbl_warnx F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F
GLIBC_2.4 _IO_sprintf F

1
sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
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@ -2040,6 +2040,7 @@ GLIBC_2.30 __nldbl_vwarnx F
GLIBC_2.30 __nldbl_warn F
GLIBC_2.30 __nldbl_warnx F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F
GLIBC_2.4 _IO_sprintf F

1
sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
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@ -2244,3 +2244,4 @@ GLIBC_2.30 __nldbl_vwarnx F
GLIBC_2.30 __nldbl_warn F
GLIBC_2.30 __nldbl_warnx F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F

1
sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
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@ -2104,3 +2104,4 @@ GLIBC_2.29 getcpu F
GLIBC_2.29 posix_spawn_file_actions_addchdir_np F
GLIBC_2.29 posix_spawn_file_actions_addfchdir_np F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F

1
sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
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@ -2172,6 +2172,7 @@ GLIBC_2.30 __nldbl_vwarnx F
GLIBC_2.30 __nldbl_warn F
GLIBC_2.30 __nldbl_warnx F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F
GLIBC_2.4 _IO_sprintf F

1
sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
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@ -2076,6 +2076,7 @@ GLIBC_2.30 __nldbl_vwarnx F
GLIBC_2.30 __nldbl_warn F
GLIBC_2.30 __nldbl_warnx F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F
GLIBC_2.4 _IO_sprintf F

1
sysdeps/unix/sysv/linux/sh/libc.abilist
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@ -2042,6 +2042,7 @@ GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 __confstr_chk F
GLIBC_2.4 __fgets_chk F
GLIBC_2.4 __fgets_unlocked_chk F

1
sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
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@ -2166,6 +2166,7 @@ GLIBC_2.30 __nldbl_vwarnx F
GLIBC_2.30 __nldbl_warn F
GLIBC_2.30 __nldbl_warnx F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 _IO_fprintf F
GLIBC_2.4 _IO_printf F
GLIBC_2.4 _IO_sprintf F

1
sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
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@ -2093,6 +2093,7 @@ GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 __confstr_chk F
GLIBC_2.4 __fgets_chk F
GLIBC_2.4 __fgets_unlocked_chk F

1
sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
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@ -2051,6 +2051,7 @@ GLIBC_2.3.4 setsourcefilter F
GLIBC_2.3.4 xdr_quad_t F
GLIBC_2.3.4 xdr_u_quad_t F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F
GLIBC_2.4 __confstr_chk F
GLIBC_2.4 __fgets_chk F
GLIBC_2.4 __fgets_unlocked_chk F

1
sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
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@ -2150,3 +2150,4 @@ GLIBC_2.29 getcpu F
GLIBC_2.29 posix_spawn_file_actions_addchdir_np F
GLIBC_2.29 posix_spawn_file_actions_addfchdir_np F
GLIBC_2.30 gettid F
GLIBC_2.30 twalk_r F