37ad959783
Also simplify trivial one-liners like perror/puts/fputs, and clean up fread/fwrite slightly. Fix perror to match POSIX. Add basic perror and *_unlocked tests. Bug: N/A Test: ran tests Change-Id: I63f83c8e0c15c3c4096509d17421ac331b6fc23d
105 lines
3.4 KiB
Markdown
105 lines
3.4 KiB
Markdown
Android bionic status
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=====================
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libc
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----
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Current libc symbols: https://android.googlesource.com/platform/bionic/+/master/libc/libc.map.txt
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New libc functions in P:
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* `__freading`/`__fwriting` (completing <stdio_ext.h>)
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* `endhostent`/endnetent`/`endprotoent`/`getnetent`/`getprotoent`/`sethostent`/`setnetent`/`setprotoent` (completing <netdb.h>)
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* `fexecve`
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* `fflush_unlocked`/`fgetc_unlocked`/`fgets_unlocked`/`fputc_unlocked`/`fputs_unlocked`/`fread_unlocked`/`fwrite_unlocked`
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* `getentropy`/`getrandom` (adding <sys/random.h>)
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* `getlogin_r`
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* `glob`/`globfree` (adding <glob.h>)
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* `hcreate`/hcreate_r`/`hdestroy`/`hdestroy_r`/`hsearch`/`hsearch_r` (completing <search.h>)
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* `iconv`/`iconv_close`/`iconv_open` (adding <iconv.h>)
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* `pthread_attr_getinheritsched`/`pthread_attr_setinheritsched`/`pthread_setschedprio`
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* <spawn.h>
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* `swab`
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* `syncfs`
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New libc functions in O:
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* `sendto` FORTIFY support
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* `__system_property_read_callback`/`__system_property_wait`
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* legacy `bsd_signal`
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* `catclose`/`catgets`/`catopen` (adding <nl_types.h>)
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* `ctermid`
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* all 6 <grp.h>/<pwd.h> (get|set|end)(gr|pw)ent functions
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* `futimes`/`futimesat`/`lutimes`
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* `getdomainname`/`setdomainname`
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* `getsubopt`
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* `hasmntopt`
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* `mallopt`
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* `mblen`
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* 4 <sys/msg.h> `msg*` functions
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* <langinfo.h> `nl_langinfo`/`nl_langinfo_l`
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* `pthread_getname_np`
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* 2 new Linux system calls `quotactl` and `sync_file_range`
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* 4 <sys/sem.h> `sem*` functions
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* 4 <sys/shm.h> `shm*` functions
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* 5 legacy <signal.h> functions: `sighold`/`sigignore`/`sigpause`/`sigrelse`/`sigset`
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* `strtod_l`/`strtof_l`/`strtol_l`/`strtoul_l`
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* <wctype.h> `towctrans`/`towctrans_l`/`wctrans`/`wctrans_l`
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New libc functions in N:
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* more FORTIFY support functions (`fread`/`fwrite`/`getcwd`/`pwrite`/`write`)
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* all remaining `_FILE_OFFSET_BITS=64` functions, completing `_FILE_OFFSET_BITS=64` support in bionic (8)
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* all 7 `pthread_barrier*` functions
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* all 5 `pthread_spin*` functions
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* `lockf`/`preadv`/`pwritev`/`scandirat` and `off64_t` variants
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* `adjtimex`/`clock_adjtime`
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* `getifaddrs`/`freeifaddrs`/`if_freenameindex`/`if_nameindex`
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* `getgrgid_r`/`getgrnam_r`
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* GNU extensions `fileno_unlocked`/`strchrnul`
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* 32-bit `prlimit`
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libc function count over time:
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G 803, H 825, I 826, J 846, J-MR1 873, J-MR2 881, K 896, L 1116, M 1181, N 1226, O 1278
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```
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ndk-r17$ for i in `ls -1v platforms/android-*/arch-arm/usr/lib/libc.so` ; do echo $i; nm $i | grep -vw [AbdNnt] | grep -vw B | wc -l ; done
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```
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Run `./libc/tools/check-symbols-glibc.py` in bionic/ for the current
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list of POSIX functions implemented by glibc but not by bionic. Currently
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(2017-10):
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```
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aio_cancel
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aio_error
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aio_fsync
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aio_read
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aio_return
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aio_suspend
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aio_write
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lio_listio
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pthread_cancel
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pthread_mutex_consistent
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pthread_mutex_getprioceiling
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pthread_mutex_setprioceiling
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pthread_mutexattr_getprioceiling
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pthread_mutexattr_getprotocol
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pthread_mutexattr_getrobust
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pthread_mutexattr_setprioceiling
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pthread_mutexattr_setprotocol
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pthread_mutexattr_setrobust
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pthread_setcancelstate
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pthread_setcanceltype
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pthread_testcancel
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wordexp
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wordfree
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```
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libm
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----
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Current libm symbols: https://android.googlesource.com/platform/bionic/+/master/libm/libm.map.txt
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0 remaining missing POSIX libm functions.
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19 new libm functions in O: complex trig/exp/log functions.
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libm function count over time:
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G 158, J-MR2 164, L 220, M 265, O 284
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