diff options
Diffstat (limited to 'linux_dep.h')
| -rw-r--r-- | linux_dep.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/linux_dep.h b/linux_dep.h index eae9c3c..3a41e42 100644 --- a/linux_dep.h +++ b/linux_dep.h @@ -125,4 +125,24 @@ struct tcp_info_linux { #define FALLOC_FL_COLLAPSE_RANGE 0x08 #endif +#include <linux/close_range.h> + +#ifdef CLOSE_RANGE_UNSHARE /* Linux kernel >= 5.9 */ +/* glibc < 2.34 and musl as of 1.2.5 need these */ +#ifndef SYS_close_range +#define SYS_close_range 436 +#endif +__attribute__ ((weak)) +/* cppcheck-suppress funcArgNamesDifferent */ +int close_range(unsigned int first, unsigned int last, int flags) { + return syscall(SYS_close_range, first, last, flags); +} +#else +/* No reasonable fallback option */ +/* cppcheck-suppress funcArgNamesDifferent */ +int close_range(unsigned int first, unsigned int last, int flags) { + return 0; +} +#endif + #endif /* LINUX_DEP_H */ |