error: unknown type name 'siginfo_t'

发布于 2021-10-26 10:39:16 浏览：2560 订阅该版

编译错误：
```
scons: Entering directory `/asw-data/home/ningqinyong/rt-smart/kernel/bsp/qemu-vexpress-a9'
scons: Reading SConscript files ...
scons: done reading SConscript files.
scons: Building targets ...
scons: building associated VariantDir targets: build
CC build/applications/lcd_init.o
In file included from /asw-data/home/ningqinyong/rt-smart/kernel/include/rtthread.h:24:0,
                 from applications/lcd_init.c:1:
/asw-data/home/ningqinyong/rt-smart/kernel/include/rtdef.h:496:9: error: unknown type name 'siginfo_t'
 typedef siginfo_t rt_siginfo_t;
         ^~~~~~~~~
In file included from /asw-data/home/ningqinyong/rt-smart/kernel/include/rtthread.h:24:0,
                 from applications/lcd_init.c:1:
/asw-data/home/ningqinyong/rt-smart/kernel/include/rtdef.h:629:36: error: unknown type name 'siginfo_t'
         void (*_sa_sigaction)(int, siginfo_t *, void *);
                                    ^~~~~~~~~
/asw-data/home/ningqinyong/rt-smart/kernel/include/rtdef.h:630:5: warning: no semicolon at end of struct or union
     } __sa_handler;
     ^
scons: *** [build/applications/lcd_init.o] Error 1
scons: building terminated because of errors.
```