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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-08-24 16:12:24 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2021-08-26 17:13:45 -0300 |
| commit | e814f4b04ee413a7bb3dfa43e74c8fb4abf58359 (patch) | |
| tree | d83648696fae2c7a8ee71da52297bed7dafe06c6 /support/support.h | |
| parent | 5aa359d33163bde660fec9b26e23cfb93d63ecde (diff) | |
| download | glibc-e814f4b04ee413a7bb3dfa43e74c8fb4abf58359.zip glibc-e814f4b04ee413a7bb3dfa43e74c8fb4abf58359.tar.gz glibc-e814f4b04ee413a7bb3dfa43e74c8fb4abf58359.tar.bz2 | |
support: Add support_open_dev_null_range
It returns a range of file descriptor referring to the '/dev/null'
pathname. The function takes care of restarting the open range
if a file descriptor is found within the specified range and
also increases RLIMIT_NOFILE if required.
Checked on x86_64-linux-gnu.
Diffstat (limited to 'support/support.h')
| -rw-r--r-- | support/support.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/support/support.h b/support/support.h index 834dba9..e6911e1 100644 --- a/support/support.h +++ b/support/support.h @@ -193,6 +193,14 @@ struct support_stack support_stack_alloc (size_t size); /* Deallocate the STACK. */ void support_stack_free (struct support_stack *stack); + +/* Create a range of NUM opened '/dev/null' file descriptors using FLAGS and + MODE. The function takes care of restarting the open range if a file + descriptor is found within the specified range and also increases + RLIMIT_NOFILE if required. + The returned value is the lowest file descriptor number. */ +int support_open_dev_null_range (int num, int flags, mode_t mode); + __END_DECLS #endif /* SUPPORT_H */ |