Support TERMUX (#7559). [Laurent CHARRIER]

Fixes #7559.

Changes

@@ -21,6 +21,7 @@ Verilator 5.049 devel
 * Support procedural continuous assign/deassign (#7493). [Artur Bieniek, Antmicro Ltd.]
 * Support randsequence production function ports (#7522). [Yilou Wang]
 * Support followed-by operators `#-#` and `#=#` in properties (#7523). [Yilou Wang]
+* Support TERMUX (#7559). [Laurent CHARRIER]
 * Add peak memory usage to `--stats`. [Geza Lore, Testorrent USA, Inc.]
 * Improve `--coverage-fsm` (#7490) (#7529). [Yogish Sekhar]
 * Change `+verilator+seed` to default to 1, and 0 to randomly select (#7325) (#7516). [Miguel]

docs/CONTRIBUTORS

@@ -165,6 +165,7 @@ Krzysztof Sychla
 Kuba Ober
 Lan Zongwei
 Larry Doolittle
+Laurent CHARRIER
 Leela Pakanati
 Liam Braun
 Luca Colagrande

include/verilated_threads.cpp

@@ -268,8 +268,13 @@ std::string VlThreadPool::numaAssign(VerilatedContext* contextp) {
         }
         status += ";";
 
+#ifdef __TERMUX__
+        const int rc = sched_setaffinity(m_workers[thread]->m_cthread.native_handle(),
+                                         sizeof(cpu_set_t), &cpuset);
+#else
         const int rc = pthread_setaffinity_np(m_workers[thread]->m_cthread.native_handle(),
                                               sizeof(cpu_set_t), &cpuset);
+#endif
         if (rc != 0) return "%Warning: pthread_setaffinity_np failed";
     }
     // std::cout << "Status: " << status << std::endl;

include/verilatedos_c.h

@@ -118,7 +118,11 @@ unsigned getProcessAvailableParallelism() VL_MT_SAFE {
 #if defined(__linux) || defined(CPU_ZERO)  // Linux-like; assume we have pthreads etc
     cpu_set_t cpuset;
     CPU_ZERO(&cpuset);
+#ifdef __TERMUX__
+    const int rc = sched_getaffinity(pthread_self(), sizeof(cpuset), &cpuset);
+#else
     const int rc = pthread_getaffinity_np(pthread_self(), sizeof(cpuset), &cpuset);
+#endif
     if (rc == 0) {
         unsigned nCpus = 0;
         for (int i = 0; i < CPU_SETSIZE; ++i) {