Lines Matching refs:sbrk
75 if ((brk_start = sbrk(0)) == NEG1) {
76 ERROR("initial sbrk failed");
80 if (sbrk(pagesize - ((u_long) brk_start % (u_long) pagesize))
88 if ((hole_addr = hole_start = sbrk(NUM_SEGS * 2 * pagesize)) == NEG1) {
92 if ((brk_max_addr = sbrk(0)) == NEG1) {
107 if (brk_max_addr != sbrk(0)) {
114 if (sbrk(-NUM_SEGS * pagesize) == NEG1) {
118 if ((brk_max_addr = sbrk(0)) == NEG1) {
138 if (sbrk(pagesize) == NEG1 || sbrk(-pagesize) == NEG1) {
182 if (sbrk(pagesize) == NEG1) {
183 ERROR("sbrk failed to grow over mmaped region");
186 if (sbrk(-pagesize) == NEG1) {
187 ERROR("sbrk failed to shrink back to mmaped region");
190 if (sbrk(-pagesize) == NEG1) {
191 ERROR("sbrk failed to shrink over mmaped region more");
194 if (sbrk(-pagesize) == NEG1) {
195 ERROR("sbrk failed to shrink some more");
198 if (sbrk(2 * pagesize) == NEG1) {
199 ERROR("sbrk failed to change brk segment to original size");