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| author | hselasky <hselasky@FreeBSD.org> | 2018-02-25 10:26:44 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2018-02-25 10:26:44 +0000 |
| commit | 121ed165414b1a2587061adf792edc21cc9f62a9 (patch) | |
| tree | 18b7233188105066cb3d652d218674672493f19b | |
| parent | 0788f0ae2d3f89e525337b087907111b9a18324d (diff) | |
| download | FreeBSD-src-121ed165414b1a2587061adf792edc21cc9f62a9.zip FreeBSD-src-121ed165414b1a2587061adf792edc21cc9f62a9.tar.gz | |
MFC r329470:
Add support for printk_ratelimit() function macro and improve the existing
printk_ratelimited() function macro to return a boolean stating if there
was a printout, true, or not, false.
Submitted by: Johannes Lundberg <johalun0@gmail.com>
Sponsored by: Mellanox Technologies
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/printk.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/printk.h b/sys/compat/linuxkpi/common/include/linux/printk.h index 1480fc6..6e8e3da 100644 --- a/sys/compat/linuxkpi/common/include/linux/printk.h +++ b/sys/compat/linuxkpi/common/include/linux/printk.h @@ -106,10 +106,16 @@ print_hex_dump_bytes(const char *prefix_str, const int prefix_type, print_hex_dump(NULL, prefix_str, prefix_type, 16, 1, buf, len, 0); } -#define printk_ratelimited(...) do { \ +#define printk_ratelimit() ({ \ static linux_ratelimit_t __ratelimited; \ - if (linux_ratelimited(&__ratelimited)) \ + linux_ratelimited(&__ratelimited); \ +}) + +#define printk_ratelimited(...) ({ \ + bool __retval = printk_ratelimit(); \ + if (__retval) \ printk(__VA_ARGS__); \ -} while (0) + __retval; \ +}) #endif /* _LINUX_PRINTK_H_ */ |
