[rtl] =?euc-kr?B?Q2Fubm90IFVzZSBTZW1hcGhvcmUgZnVjdGlvbiEhIChIZWxwKQ==?=

[paladin]

I want to use Semaphore function and to Sync thread. As man page mentioned sem_init and etc can use with rtl_fuction . there is no compiling error on it. includeing and Loading Object file to RT-kernel. but the Failure Look like here. ----------------------------------------------------------------------- gcc -D_REENTRANT -I/usr/src/rtlinux-2.2/include -I/usr/src/rtlinux-2.2/linux/include -Wall -Wstrict-prototypes -O2 -fno-strength-reduce -D__SMP__ -D__RTL__ -D__KERNEL__ -DMODULE -c -DMODVERSIONS -include /usr/src/rtlinux-2.2/linux/include/linux/modversions.h can_drv.c -lpthread gcc: -lpthread: linker input file unused since linking not done gcc -I/usr/src/rtlinux-2.2/include -I/usr/src/rtlinux-2.2/linux/include -O2 -Wall -o monitor can_m.c -lcanlib -L. can_drv.o: unresolved symbol sem_init can_drv.o: unresolved symbol sem_post can_drv.o: unresolved symbol sem_destroy can_drv.o: unresolved symbol sem_wait Error opening /dev/rtf0 ------------------------------------------------------------------------------- what is that means... some time i used "exit" fuction at that RT-kernel the unresolved symbol error happen like this way. Semaphore Can't use RT-Kernel? Please help