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db7f1a91de
A function that returns with no value is a different thing from a
function that doesn't return at all. Those are two orthogonal
concepts, commonly confused.
pthread_create(3) expects a pointer to a start routine that has a
very precise prototype:
void *(*start_routine)(void *);
However, other thread functions, such as kernel ones, expect:
void (*start_routine)(void *);
Providing a different one is incorrect, and has only been working
because the ABIs happen to produce a compatible function.
We should use '_Noreturn void', since it's the natural type, and
then provide a '_Noreturn void *' wrapper for pthread functions.
For consistency, replace most cases of __NORETURN or
__attribute__((noreturn)) by _Noreturn. _Noreturn is understood
by -std=gnu89, so it should be safe to use everywhere.
Ref: https://github.com/openzfs/zfs/pull/13110#discussion_r808450136
Ref: https://software.codidact.com/posts/285972
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Co-authored-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Closes #13120
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| .. | ||
| badsend | ||
| btree_test | ||
| chg_usr_exec | ||
| devname2devid | ||
| dir_rd_update | ||
| draid | ||
| file_check | ||
| file_trunc | ||
| file_write | ||
| get_diff | ||
| getversion | ||
| largest_file | ||
| libzfs_input_check | ||
| mkbusy | ||
| mkfile | ||
| mkfiles | ||
| mktree | ||
| mmap_exec | ||
| mmap_libaio | ||
| mmap_seek | ||
| mmapwrite | ||
| nvlist_to_lua | ||
| randfree_file | ||
| randwritecomp | ||
| readmmap | ||
| rename_dir | ||
| rm_lnkcnt_zero_file | ||
| send_doall | ||
| stride_dd | ||
| threadsappend | ||
| user_ns_exec | ||
| xattrtest | ||
| file_common.h | ||
| Makefile.am | ||