Subj : ETIMEDOUT undefied!! Why? To : comp.programming.threads From : Sean Date : Sun Mar 27 2005 10:21 pm I am compiling the code under RH Linux with kernel of 2.4.20 1 #include 2 #include 3 #include 4 #include 5 #include 6 #include ....... 103 for(i=0;i>gcc -o produce prod_wait.c -lpthread -I/usr/include prod_wait.c: In function `consume': prod_wait.c:106: `ETIMEDOUT' undeclared (first use in this function) prod_wait.c:106: (Each undeclared identifier is reported only once prod_wait.c:106: for each function it appears in.) .