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comparison fuzz-wrapfd.c @ 1739:13d834efc376 fuzz

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merge from main
author Matt Johnston <matt@ucc.asn.au>
date Thu, 15 Oct 2020 19:55:15 +0800
parents 60fceff95858
children dfbe947bdf0d
comparison
equal deleted inserted replaced
1562:768ebf737aa0 1739:13d834efc376
1 #define FUZZ_SKIP_WRAP 1 1 #define FUZZ_SKIP_WRAP 1
2 #include "includes.h" 2 #include "includes.h"
3 #include "fuzz-wrapfd.h" 3 #include "fuzz-wrapfd.h"
4 4
5 #include "dbutil.h"
6
5 #include "fuzz.h" 7 #include "fuzz.h"
6 8
7 #define IOWRAP_MAXFD (FD_SETSIZE-1) 9 #define IOWRAP_MAXFD (FD_SETSIZE-1)
8 static const int MAX_RANDOM_IN = 50000; 10 static const int MAX_RANDOM_IN = 50000;
9 static const double CHANCE_CLOSE = 1.0 / 300; 11 static const double CHANCE_CLOSE = 1.0 / 600;
10 static const double CHANCE_INTR = 1.0 / 200; 12 static const double CHANCE_INTR = 1.0 / 900;
11 static const double CHANCE_READ1 = 0.6; 13 static const double CHANCE_READ1 = 0.96;
12 static const double CHANCE_READ2 = 0.3; 14 static const double CHANCE_READ2 = 0.5;
13 static const double CHANCE_WRITE1 = 0.8; 15 static const double CHANCE_WRITE1 = 0.96;
14 static const double CHANCE_WRITE2 = 0.3; 16 static const double CHANCE_WRITE2 = 0.5;
15 17
16 struct fdwrap { 18 struct fdwrap {
17 enum wrapfd_mode mode; 19 enum wrapfd_mode mode;
18 buffer *buf; 20 buffer *buf;
19 int closein; 21 int closein;
24 /* for quick selection of in-use descriptors */ 26 /* for quick selection of in-use descriptors */
25 static int wrap_used[IOWRAP_MAXFD+1]; 27 static int wrap_used[IOWRAP_MAXFD+1];
26 static unsigned int nused; 28 static unsigned int nused;
27 static unsigned short rand_state[3]; 29 static unsigned short rand_state[3];
28 30
29 void wrapfd_setup() { 31 void wrapfd_setup(void) {
30 TRACE(("wrapfd_setup")) 32 TRACE(("wrapfd_setup"))
31 nused = 0; 33 nused = 0;
32 memset(wrap_fds, 0x0, sizeof(wrap_fds)); 34 memset(wrap_fds, 0x0, sizeof(wrap_fds));
33 memset(wrap_used, 0x0, sizeof(wrap_used)); 35 memset(wrap_used, 0x0, sizeof(wrap_used));
34 36
193 assert(wrap_fds[i].mode != UNUSED); 195 assert(wrap_fds[i].mode != UNUSED);
194 fdlist[nset] = i; 196 fdlist[nset] = i;
195 nset++; 197 nset++;
196 } 198 }
197 } 199 }
198 FD_ZERO(readfds); 200 DROPBEAR_FD_ZERO(readfds);
199 201
200 if (nset > 0) { 202 if (nset > 0) {
201 /* set one */ 203 /* set one */
202 sel = fdlist[nrand48(rand_state) % nset]; 204 sel = fdlist[nrand48(rand_state) % nset];
203 FD_SET(sel, readfds); 205 FD_SET(sel, readfds);
220 assert(wrap_fds[i].mode != UNUSED); 222 assert(wrap_fds[i].mode != UNUSED);
221 fdlist[nset] = i; 223 fdlist[nset] = i;
222 nset++; 224 nset++;
223 } 225 }
224 } 226 }
225 FD_ZERO(writefds); 227 DROPBEAR_FD_ZERO(writefds);
226 228
227 /* set one */ 229 /* set one */
228 if (nset > 0) { 230 if (nset > 0) {
229 sel = fdlist[nrand48(rand_state) % nset]; 231 sel = fdlist[nrand48(rand_state) % nset];
230 FD_SET(sel, writefds); 232 FD_SET(sel, writefds);