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--- openjdk.orig/hotspot/src/os/linux/vm/os_linux.cpp
+++ openjdk/hotspot/src/os/linux/vm/os_linux.cpp
@@ -112,7 +112,6 @@
# include <string.h>
# include <syscall.h>
# include <sys/sysinfo.h>
-# include <gnu/libc-version.h>
# include <sys/ipc.h>
# include <sys/shm.h>
# include <link.h>
@@ -632,6 +631,13 @@
// detecting pthread library
void os::Linux::libpthread_init() {
+#if 1
+ // Hard code Alpine Linux supported uclibc/musl compatible settings
+ os::Linux::set_glibc_version("glibc 2.9");
+ os::Linux::set_libpthread_version("NPTL");
+ os::Linux::set_is_NPTL();
+ os::Linux::set_is_floating_stack();
+#else
// Save glibc and pthread version strings. Note that _CS_GNU_LIBC_VERSION
// and _CS_GNU_LIBPTHREAD_VERSION are supported in glibc >= 2.3.2. Use a
// generic name for earlier versions.
@@ -690,6 +696,7 @@
if (os::Linux::is_NPTL() || os::Linux::supports_variable_stack_size()) {
os::Linux::set_is_floating_stack();
}
+#endif
}
/////////////////////////////////////////////////////////////////////////////
@@ -2951,11 +2958,7 @@
// If we are running with earlier version, which did not have symbol versions,
// we should use the base version.
void* os::Linux::libnuma_dlsym(void* handle, const char *name) {
- void *f = dlvsym(handle, name, "libnuma_1.1");
- if (f == NULL) {
- f = dlsym(handle, name);
- }
- return f;
+ return dlsym(handle, name);
}
bool os::Linux::libnuma_init() {
@@ -5312,7 +5315,25 @@
// Linux doesn't yet have a (official) notion of processor sets,
// so just return the system wide load average.
int os::loadavg(double loadavg[], int nelem) {
+#ifdef __UCLIBC__
+ FILE *LOADAVG;
+ double avg[3] = { 0.0, 0.0, 0.0 };
+ int i, res = -1;;
+
+ if ((LOADAVG = fopen("/proc/loadavg", "r"))) {
+ fscanf(LOADAVG, "%lf %lf %lf", &avg[0], &avg[1], &avg[2]);
+ res = 0;
+ fclose(LOADAVG);
+ }
+
+ for (i = 0; (i < nelem) && (i < 3); i++) {
+ loadavg[i] = avg[i];
+ }
+
+ return res;
+#else
return ::getloadavg(loadavg, nelem);
+#endif
}
void os::pause() {
--- openjdk.orig/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp
+++ openjdk/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp
@@ -253,7 +253,7 @@
#elif defined(__APPLE__)
inline int g_isnan(double f) { return isnan(f); }
#elif defined(LINUX) || defined(_ALLBSD_SOURCE)
-inline int g_isnan(float f) { return isnanf(f); }
+inline int g_isnan(float f) { return isnan(f); }
inline int g_isnan(double f) { return isnan(f); }
#else
#error "missing platform-specific definition here"
@@ -267,8 +267,8 @@
// Checking for finiteness
-inline int g_isfinite(jfloat f) { return finite(f); }
-inline int g_isfinite(jdouble f) { return finite(f); }
+inline int g_isfinite(jfloat f) { return isfinite(f); }
+inline int g_isfinite(jdouble f) { return isfinite(f); }
// Wide characters
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